Would
Would is an auxiliary verb, a modal auxiliary verb. We use would mainly to:
- talk about the past
- talk about the future in the past
- express the conditional mood
We also use would for other functions, such as:
- expressing desire, polite requests and questions, opinion or hope, wish and regret...
Structure of Would
subject + would + main verb
The main verb is always the bare infinitive (infinitive without "to").
subject | auxiliary verb | main verb | ||
+ | She | would | like | tea. |
'd | ||||
- | She | would not | like | whisky. |
wouldn't | ||||
? | Would | she | like | coffee? |
Notice that:
- Would is never conjugated. It is always would or 'd (short form).
- The main verb is always the bare infinitive.
The main verb is always the bare infinitive. We cannot say:
I would to like coffee.
Be careful! Would and had have the same short form 'd:
He'd finished. (He had finished.)
He'd like coffee. (He would like coffee.)
He'd finished. (He had finished.)
He'd like coffee. (He would like coffee.)
Use of Would
would: Talking about the past
We often use would as a kind of past tense of will or going to:
- Even as a boy, he knew that he would succeed in life.
- I thought it would rain so I brought my umbrella.
Using would as as a kind of past tense of will or going to is common in reported speech:
- She said that she would buy some eggs. ("I will buy some eggs.")
- The candidate said that he wouldn't increase taxes. ("I won't increase taxes.")
- Why didn't you bring your umbrella? I told you it would rain! ("It's going to rain.")
We often use would not to talk about past refusals:
- He wanted a divorce but his wife would not agree.
- Yesterday morning, the car wouldn't start.
We sometimes use would (rather like used to) when talking about habitual past behaviour:
- Every weekday my father would come home from work at 6pm and watch TV.
- Every summer we'd go to the seaside.
- Sometimes she'd phone me in the middle of the night.
- We would always argue. We could never agree.
would: Future in past
When talking about the past we can use would to express something that has not happened at the time we are talking about:
- In London she met the man that she would one day marry.
- He left 5 minutes late, unaware that the delay would save his life.
would: Conditionals
We often use would to express the so-called second and third conditionals:
- If he lost his job he would have no money.
- If I had won the lottery I would have bought a car.
Using the same conditional structure, we often use would when giving advice:
- I wouldn't eat that if I were you.
- If I were in your place I'd refuse.
- If you asked me I would say you should go.
Sometimes the condition is "understood" and there does not have to be an "if" clause:
- Someone who liked John would probably love John's father. (If someone liked John they would probably love John's father.)
- You'd never know it. (for example: If you met him you would never know that he was rich.)
- Why don't you invite Mary? I'm sure she'd come.
Although there is always a main verb, sometimes it is understood (not stated) as in:
- I'd like to stay. | I wish you would. (would stay)
- Do you think he'd come? | I'm sure he would. (would come)
- Who would help us? | John would. (would help us)
would: Desire or inclination
- I'd love to live here.
- Would you like some coffee?
- What I'd really like is some tea.
would: Polite requests and questions
- Would you open the door, please? (more polite than: Open the door, please.)
- Would you go with me? (more polite than: Will you go with me?)
- Would you know the answer? (more polite than: Do you know the answer?)
- What would the capital of Nigeria be? (more polite than: What is the capital of Nigeria?)
would: Opinion or hope
- I would imagine that they'll buy a new one.
- I suppose some people would call it torture.
- I would have to agree.
- I would expect him to come.
- Since you ask me I'd say the blue one is best.
would: Wish
- I wish you would stay. (I really want you to stay. I hope you will stay.)
- They don't like me. I'm sure they wish I'd resign.
Note that all of these uses of would express some kind of distance or remoteness:
- remoteness in time (past time)
- remoteness of possibility or probability
- remoteness between speakers (formality, politeness)
would: Presumption or expectation
- That would be Jo calling. I'll answer it.
- We saw a police helicopter overhead yesterday morning. | Really? They would have been looking for those bank robbers.
would: Uncertainty
- He would seem to be getting better. (less certain than: He seems to be getting better.)
- It would appear that I was wrong. (less certain than: It appears that I was wrong.)
would: Derogatory
- They would say that, wouldn't they?
- John said he didn't steal the money. | Well, he would, wouldn't he?
would that: Regret (poetic/rare) - with clause
This rare, poetic or literary use of would does not have the normal structure:
- Would that it were true! (If only it were true! We wish that it were true!)
- Would that his mother had lived to see him become president.
Should
Should is an auxiliary verb, a modal auxiliary verb. We use should mainly to:
- give advice or make recommendations
- talk about obligation
- talk about probability and expectation
- express the conditional mood
- replace a subjunctive structure
Structure of Should
subject + should + main verb
The main verb is always the bare infinitive (infinitive without "to").
subject | auxiliary verb | main verb | |
+ | He | should | go. |
- | He | should not | go. |
shouldn't | |||
? | Should | he | go? |
Notice that:
- Should is invariable. There is only one form of should.
- The main verb is always the bare infinitive.
The main verb is always the bare infinitive. We cannot say:
He should to go.
There is no short form for should. The negative should not can be shortened to shouldn't.
Use of Should
should: Giving advice, opinions
We often use should when offering advice or opinions (similar to ought to):
- You should see the new James Bond movie. It's great!
- You should try to lose weight.
- John should get a haircut.
- He shouldn't smoke. And he should stop drinking too.
- What should I wear?
- They should make that illegal.
- There should be a law against that.
- People should worry more about global warming.
People often say "They should..." Usually, the "they" is anonymous and means the government, or the company, or somebody else - but not us!
should: Obligation, duty, correctness
Another use of should (also similar to ought to) is to indicate a kind of obligation, duty or correctness, often when criticizing another person:
- You should be wearing your seat belt. (obligation)
- I should be at work now. (duty)
- You shouldn't have said that to her. (correctness)
- He should have been more careful.
- Should you be driving so fast?
should: Probability, expectation
We use should to indicate that we think something is probable (we expect it to happen):
- Are you ready? The train should be here soon.
- $10 is enough. It shouldn't cost more than that.
- Let's call Mary. She should have finished work by now.
should: Conditionals
We sometimes use should (instead of would) for the first person singular (I) and first person plural (we) of some conditionals:
- If I lost my job I should have no money.
(If he lost his job he would have no money.) - We should be grateful if you could send us your latest catalogue.
This is not a very important distinction. (More about the use of shall/will and should/would.)
should: (If I were you I should...)
We often use the conditional structure "If I were you I should..." to give advice.
- If I were you, I should complain to the manager.
- If I were you I shouldn't worry about it.
- I shouldn't say anything if I were you.
Note that we can omit "If I were you..." and just say:
- I should complain to the manager.
- I shouldn't worry about it.
- I shouldn't say anything.
In these cases, the phrase "I should" really means something like "you should".
should: Pseudo subjunctive
We often use a special verb form called the subjunctive when talking about events that somebody wants to happen, hopes will happen or imagines happening, for example:
- The president insists that the prime minister attend the meeting.
However, this is much more common in American English. British English speakers would probably convey the same idea using should:
- The president insists that the prime minister should attend the meeting.
Here are some more examples:
Subjunctive typically American English | Using should typically British English |
The president is insisting that pollution be reduced. | The president is insisting that pollution should be reduced. |
The manager recommended that Mary join the company. | The manager recommended that Mary should join the company. |
It is essential that we decide today. | It is essential that we should decide today. |
It was necessary that everyone arrive on time. | It was necessary that everyone should arrive on time. |
should: Why should..? | How should..?
If we don't understand (or agree with) something, we may use "Why should..?":
- Why should it be illegal to commit suicide? It's your life.
"Why should..?" and "How should..?" can also indicate anger or irritation:
- "Help me with this." | "Why should I?"
- "Where are my keys?" | "How should I know?"
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