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Modal Review

Cut the hedgewould have
I will cut the hedge.  /  I would have cut the hedge.

Meanings in present and past tense

 

 

 

 

 

Do these modals mean the same in present and past tense?

will

may

can

shall

must

would

might

could

should

(had to)

 

 

In these sentences, the meaning is the same:
PRESENT PAST

He says that he will come late.  (intention)

He said that he would come late.   (intention)

He says that he may come late.   (possibility)

He said that he might come late.   (possibility)

He says that he can help.   (ability)

He said that he could help.   (ability)

He says that we shall help them.   (obligation)

He said that we should help them.   (obligation)

 

 

 

In these sentences, the meaning is different:
PRESENT PAST

I can drive there.   (ability)

I could drive there.  (potential option, possibility, ability)

I could be a little late.  (possibility)

I could have been a little late. (a guess, opportunity lost)

You may smoke here.  (permission) See may/can

He might smoke here.   (possibility)

Shall we go in there?  (invitation)

Should we go in there?  (caution)

I will go jogging Tuesday.  (intention)

I would go jogging Tuesday.  (past habit) but I have an appointment. (excuse)

You must eat this. (necessity)

You must have eaten this. (conclusion)
 

 

 

Modals and Expressions
PRESENT PAST

FUTURE

I will leave tonight.

He is going to leave tonight. (intends to)

He leaves tonight. (as scheduled)

FUTURE  (from a past perspective)

He said that he would leave. Maybe he did. Maybe he didn't.

* He would have left, but his car was not working. He didn't leave.

He said that he was going to leave. But he didn't.

He said that he was going to leave, but he didn't.
 

INVITATION

Shall we go into this restaurant?

Let's go into this restaurant.

Why don't we go into this restaurant.
 

INVITATION

 

REQUEST

Would you please close the door?

Please close the door. / Do me a favor and close the door.
 

REQUEST

 

 

PERMISSION

May I come in?

Can I come in?

Could I come in?

Might I come in? very formal

Do I have permission to come in?

Am I permitted to come in?

Let me in. permission or demand
 

PERMISSION

He said that we could come in.

He said that we had permission to come in.

He said that we were permitted to come in.

PHYSICAL ABILITY

She can run twenty six miles.

She is able to run twenty six miles.

PHYSICAL ABILITY

She could run twenty-six miles always or multiple events

Because she was naturally strong, she could lift 75 pounds.

She was able to run 26 miles. single- or multiple events

After working out for six months, she was able to lift 75 pounds. one-event

 

MENTAL ABILITY

She can solve that problem.

She knows how to solve that problem.

MENTAL ABILITY

She could solve that problem.

She knew how to solve that problem.
 

SUGGESTION

You could try a new method.

You should try  a new method.

Why don't you try a new method.

I suggest that you try a new method.
 

SUGGESTION

You could have tried a new method. but you didn't.

You should have tried  a new method. but you didn't.

PREFERENCE

She would rather come today.

She would rather come today than tomorrow.

She prefers that you come today.

 

PREFERENCE

She would rather have come today than tomorrow.

OPPORTUNITY

* You could go with us if you have time.

OPPORTUNITY LOST

 You could have gone with us if you had said something. but you didn't.    (hypothetical)

 

 

POSSIBILITY

He may be hurt.

He might be hurt.

He could behurt.

It is possible that he is hurt.

Possibly, he is hurt.

Perhaps, he is hurt.
 

POSSIBILITY

He may have been hurt.

He might have been hurt.

He could have been hurt.

It was possible that he was hurt.

Possibly, he was hurt.

ADVICE

You should write to your family.

You ought to write your family.

You ought not to write that to them.

You had better write your family.

You'd better not do that.

It's a good idea to write your family

I am supposed to write to my family. social expectation
 

ADVICE TOO LATE

You should have written to your family. but you didn't.    (hypothetical)

You ought to have written to your family.

You ought not to have written to them.

NECESSITY

I must talk to you right away.

It is necessary that I talk to you

I have to talk to you.

I need to talk to you.
 

NECESSITY

I had to talk to you right away.

I needed to talk to you.

It was necessary that I talked to you.

EXPECTATION / PROBABILITY

His train should arrive soon.

I expect that his train will arrive soon.

It is probable that his train will arrive soon.
 

EXPECTATION / PROBABILITY

His train should have arrived. but it didn't   (hypothetical)

I expected that his train would have arrived soon.

CONCLUSION

He is not at work. He must be sick.a sure guess

He's not here, so I guess / believe / think he is sick. a sure guess

I conclude he is sick.
 

 

CONCLUSION

He wasn't at work. He must have been sick.

I concluded that he was sick.

 

 

 

 

 

 

Practice

 

 

  1. Select the word from each menu that best completes the sentence. 
  2. Compare your response to the answer by clicking the "check" button to the right. 
# YOUR RESPONSE CHECK ANSWER
1. Keiko needs to ask permission to buy a plane ticket to Japan.
She will ask her parents: I buy a ticket home?
2. Eddy has a good friend who is moving into a new apartment. Last month this friend helped him, therefore, he has an obligation to help.
3. Katie knows how to do Karate.
In other words she:
4. Jackson has future plans to go to Peru.
5. Wilson wasn't in class yesterday. He wasn't outside playing with his friends either. We couldn't find him anywhere on campus.
What can you conclude?
6 Wilson wasn't in class today. He said he wasn't feeling well yesterday.
7 Where's Sharon?
Class has just started and she is not here. She's occasionally late, but she always comes.
8 Junko lost her backpack. She has also lost all her notes, class books, and other personal supplies. Make a suggestion.
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