Pingpong English Business Class

The point

Should is advice. Must is a strong obligation. Have to is also obligation, and it needs to. Should and must take the base, with no to and no -s.

Form and use

Should gives advice. Must gives a strong obligation. Both take the base, with no to and no -s. You should rest. You must finish. Should not is negative advice. Must not is a prohibition: you must not park here.

Read the full set. I should rest. You should rest. He should rest. She should finish. We should go. They should wait. I should not wait. You should not go. He should not stop. Should I rest? Should she finish? I must finish. You must go. He must wait. She must stop. I must not park. You must not stop. He must not leave. Must I go? Must she wait? I have to go. You have to go. He has to go. She has to finish. I do not have to go. You do not have to wait. He does not have to stay. I had to leave. You had to wait. She had to finish.

Have to also means necessity, but it needs to, and it changes for person: she has to finish. Do not have to means there is no necessity. You do not have to come means you may stay away. Must not means the act is forbidden. Those two negatives are not the same.

The past of a necessity is had to. She had to leave early. Do not write she musted leave. Questions put should or must before the subject. Have to uses do, does, or did: Did she have to wait?

Don't translate it like this

Don't say

You must to finish.

Say

You must finish.

끝내야 합니다.

Must plus the base. No to.

Short examples

You must finish.

끝내야 합니다.

You should rest.

쉬는 편이 좋습니다.

You should rest before the meeting.

회의 전에 쉬는 편이 좋습니다.

She must finish the file today.

그녀는 오늘 파일을 끝내야 합니다.

You should not wait any longer.

더 이상 기다리지 않는 편이 좋습니다.

You must not park in this lane.

이 차선에 주차하면 안 됩니다.

He has to call the client.

그는 고객에게 전화해야 합니다.

We do not have to stay late.

우리는 늦게까지 남지 않아도 됩니다.

She had to leave before six.

그녀는 여섯 시 전에 떠나야 했습니다.

Must I sign this page?

이 페이지에 서명해야 합니까?

Questions

Every question has to be right to close this point.