Exercise Exercise 1: Put the verb in brackets into the correct form (type 1) 1) If we...........(to send) an invitation, our friends...........(to come) to our party. 2) He...........(not/to understand) you if you (to whisper). 3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them. 4) If you...........(to press) CTRL + s, you...........(to save) the file. 5) You...........(to cross) the Channel if you...........(to fly) from Paris to London. 6) Fred...........(to answer) the phone if his wife (to have) a bath. 7) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer. 8) If I...........(to touch) this snake, my girlfriend...........(not/to scream). 9) She...........(to forget) to pick you up if you (not/to phone) her. 10) I...........(to remember) you if you...........(to give) me a photo. Exercise 2: Put the verb in brackets into the correct form (type 2) 1) If you...........(to help) your grandma, I...........(to do) the shopping. 2) Andrew...........(to water) the flowers if he...........(to stay) at home. 3) If she...........(to have) 5 pounds more, she...........(to buy) herself this T-shirt. 4) If they...........(to offer) me the job, I...........(to take) it. 5) You...........(to have) summer holidays from June till August if you...........(to live) in the USA. 6) We...........(to sell) the bike for 20 Euros if Ron...........(to repair) it. 7) If you...........(to use) a pencil, the drawing...........(to be) perfect. 8) The children...........(to be) happy if he...........(to teach) them English. 9) If Ireen...........(to visit) us, we...........(to go) out tonight. 10) They...........(to come) again if he...........(to plan) a second stay. Exercise 3: Put the verb in brackets into the correct form (type 3) 1) If you.....................(to check) the car, it (not/to break) down in the middle of the desert. 2) If it...........(not/to rain), the children (to play) outside. 3) If my parents...........(not/to be) so tired, they...........(to watch) the film on TV. 4) If she...........(to buy) a new hard disk, she...........(not/to lose) all data. 5) If we...........(to use) the town map, we...........(not/to get) lost. 6) If Tom...........(to eat) more salad, he (not/to catch) a cold. 7) If the police...........(not/to stop) me, I...........(to reach) you in time. 8) If his older brother...........(not/to drive) so fast, he...........(not/to crash) into the other car. 9) If Fred...........(not/to cheat) at the test, his teacher...........(not/to phone) his father. 10) If I...........(not/to switch off) the radio, I...........(to know) about the second goal.