If it (rain) ......... tomorrow, we (not go) ......... swimming.
If it rains tomorrow, we won't go swimming.
If people (park) ... in the wrong place, they (have) ... to pay a fine.
If people park in the wrong place, they have to pay a fine.
If I (not feel) ... well tomorrow, I won't go to school.
If I don't feel well tomorrow, I won't go to school.
If you (heat) ... water to 100 degrees C, it boils.
If you heat water to 100 degrees C, it boils.
If you (not do) ...... your homework, you (get) ...... bad marks.
If you don't do. your homework, you get bad marks.
If you don't hurry up , we ..... (miss) the train.
If you don't hurry up , we will miss the train.
If you are late, they (leave) ... without you.
If you are late, they will leave without you.
My parents get angry if I (not come) ... home on time.
My parents get angry if I don'tcome home on time.
