English topics (modal verbs) in Grade One need to be explained in detail. If you are better, you will get extra points.

The time to guess the watch is 1. There is no indication that conventional guesses are feasible.

There are signs to judge and speculate what will be done.

More than 3.80% speculated that Mustado must be affirmative/impossible.

4.50% guessed that it was possible/possible to do it, possible, impossible to do it, and possible not to do it.

5. It is speculated that below 30%, what may be done is almost the same as what may not be done.

The form must be 1. It must conform to the subjective will. What you don't have to do is redundant.

What I have to do is to resist subjectivity and be forced to be helpless.

3. Implicitly do what you shouldn't do.

4. What should be done and what should not be done.

We should follow the rules and common sense. Shouldn't do it

6.it's best not to make threats.

In addition: it should have been done, but it failed.

You shouldn't do what you shouldn't do.

1. Our Chinese teacher is 66 years old. Oh, no I think she is over 60 years old.

A. It can't be B. It shouldn't be.

Why not choose B, which means "over 60 according to common sense"?

B is suggestive Can you suggest her age?

They are in a hurry so as not to miss the bus.

A. Maybe it should be

Why not choose B, which means "you won't miss the bus according to common sense"

I can only guess that you may miss the train, not that you can make suggestions.

This is Bill's house. The number is 10 1

-Oh, I don't think so. He said his house was blue.

But one is yellow.

A.can B. must

Why not choose a, that is, bill's home in theory?

There is a house number, which is probably the guess. Can make affirmative sentences and often express habitual instinct.

Will you come to my birthday party?

No, I _ _ _ _ _ _ _

A.No. B. No.

Why not choose a?

It is impossible to guess the table or the table is incapable and impossible to do. I can't make a watch.

Even if you don't want to attend, you won't express it directly, will you?

Where is my pen? I _ _ _ _ _ it.

A. may lose B. it must have been lost

Why not a, which means "I may have lost it"?

Speculation about what will happen may or may not be lost. I must have lost a lot of speculation about the past, and I must have. . .

I can't find it now, and there is a great possibility of losing it.

6. Mary is not in her bedroom. She is dancing in the classroom.

A. It should be B. It must be

Why not choose a, which is "(used to be) in her classroom" according to common sense?

It should be a hint, not a hint, but a hint. Guess it's probably.

Since he is not in the dormitory, he is probably in the classroom. Note that what should be done is not common sense but advice. According to common sense, we should do this.

We didn't meet him at the party yesterday. "He _ _ _ _ _ _ _ it"

A. it is impossible to have been to B. You should go and see it.

What does this question mean?

Obviously, he should have come to see it, but he didn't. So I didn't see him yesterday.