Does the computer work: a) if you use batteries? b) if you used batteries? c) if you will use batteries? c) if you had used batteries?
a) if you use batteries?
mother / some / them / If / cheap / shoes / saw / , / would / she / buy / . / your
If your mother saw some cheap shoes, she would buy them.
What do you do a) if the teacher was sick? b) if the teacher had been sick? c) if the teacher will be sick? d) if the teacher is sick?
d) if the teacher is sick?
What would you do if you found a wallet with $1,500 of cash in it? (spend)
If I found a wallet with $1,500 of cash in it, I would spend it.
The wind was so strong that the bridge collapsed. If the wind _________ so strong, the bridge ________ collapsed.
If the wind hadn't been so strong, the bridge wouldn't have collapsed.