The first conditional

We use the simple ________ tense in the if-clause (if从句) and the simple future tense in the main clause (主句)

• present (现在)

• future

• past

If I study today, I ________ to the party tonight.

• went

• will go

• go

If it ________, we will stop playing.

• rained

• rains

• rain

If you ________ the bus, you will be late for the meeting.

• miss

• misses

• missed

We can go to the beach if the weather ________ nice.

• is

• was

• are