Which sentence uses the conditional form of the verb send?

1. I suggest you send a letter to our grandparents
2. I+could+send+a+letter+to+our+grandparents.
3. Send+a+letter+to+our+grandparents.
4. I+am+sending+a+letter+to+our+grandparents.

1 answer

The sentence that uses the conditional form of the verb "send" is:

  1. I could send a letter to our grandparents.

This sentence includes "could," which indicates a conditional situation.