If Clauses / Conditionals

If I ____ it was from you, I would have read the letter.

• known

• knew

• had known

If it rains tomorrow, we ___ indoors.

• will stay

• stay

• would stay

If it ___ too hot we will stop and get a cold drink.

• had been

• is not

• would be

If they ___ earlier, they would have caught the train.

• leave

• left

• had left

If metal is heated, it ____.

• would expand

• will expand

• expands

If she ___ the instructions, she would have completed the task on time.

• had followed

• follows

• followed

If they ____ the meeting earlier, they would have avoided the traffic.

• schedule

• scheduled

• had scheduled

If it ___ raining, we will not go for a walk.

• was

• were

• is

If you mix blue and yellow, you ____ green.

• get

• will get

• would get

If she studies hard, she ____ the exam.

• passed

• would pass

• will pass