Question

Questions
1) What is the difference in obligation between have to and must?
2) What is the difference between can and could?
3) What is the past form of should, must and might?
4) What is the future form of have to?
5) What modal means the same as “should” but is a little more formal?
6) Which modal verb is used for prohibition?
7) In the present tense, what type of verb follows a modal?
8) In the past tense, what type of verb follows a modal?

Answer 1

Ответ:

The difference between a trade surplus and a trade deficit we can see if we compare two things: how much a country exports and how much it imports. If a country exports more than it imports, it's a trade surplus, otherwise it's called a trade deficit.

Объяснение: