| 4. I promise 1
(not tell) your secret to anyone.
5. Take your um brella with you. It
(rain).
6. They
(play) cards this evening.
7.1
(go) to the cinema tomorrow.
8. They
(fly) to Seattle next summer holidays.
9.11
9. I
(invite) 50 people to the party, and I hope everyone
(come).
9
10. That exercise looks difficult. I
(help) you,

4. I promise not to tell your secret to anyone.

5. Take your umbrella with you. It's raining.

6. They playing cards this evening

7. They flying to Seattle next summer holidays.

9. I invited 50 people to the party, and I hope everyone comes.

10. That exercise looks difficult. I will help you

A comma should follow a dependent clause when the dependent clause comes first in a sentence. A dependent clause is the clause which cannot stand alone in its meaning on the other hand independent clause refers to the phrase which can stand alone, though both have a subject and a verb

Explanation: