Question

if引导的条件状语从句表示可能的情况下,应注意主句的时态是

Answer 1

if引导条件状语从句时,在条件状语从句中要用一般时表示将来时,而主句可以是三种情况.

1.主句可以是一般将来时.如：If he comes,I will let him go into your office.

2.主句也可以是情态动词+动词原形.如：If he comes,you should let him go into my office.

3.主句也可以是祈使句.如：If he comes,let him go into my office.