I. Rewrite the sentences, using “Unless”: 1) If we send an invitation, our friends will come to our party.  ____________________________________________________________ 2) He will not understand you if you whisper.  ____________________________________________________________ 3) They will not survive in the desert if they do not take extra water with them.  ____________________________________________________________ 4) If you press CTRL + S, you will save the file.  ____________________________________________________________ 5) He will not cross the channel if he does not fly from Paris to London.  ____________________________________________________________ 6) Fred won’t answer the phone if his wife doesn’t have a bath.  ____________________________________________________________ 7) If Claire wears this dress at the party, our guests will not stay any longer.  ____________________________________________________________ 8) If I touch this snake, my girlfriend will scream.  ____________________________________________________________ 9) She will forget to pick you up if you do not phone her.  ____________________________________________________________ 10) I will remember you if you give me a photo.  ____________________________________________________________ 11) If you help your grandma, I will do the shopping.  ____________________________________________________________ 12) Andrew won’t water the flowers if he does not stay at home.  ____________________________________________________________ 13) If she has 5 pounds more, she will buy herself this T-shirt.  ____________________________________________________________ 14) If they offer me the job, I will take it.  ____________________________________________________________ 15) You won’t have summer holidays from June till August if you don’t live in the USA.  ____________________________________________________________ II. Rewrite the sentences, using “If”: 1) Unless you check the car, it will not break down in the middle of the desert.  ____________________________________________________________ 2) Unless it rains, the children will play outside.  ____________________________________________________________ 3) Unless my parents are so tired, they will watch the film on TV.  ____________________________________________________________ 4) Unless she buys a new hard disk, she will lose all data.  ____________________________________________________________ 5) Unless we use the town map, we will get lost.  ____________________________________________________________ 6) Unless Tom eats more salad, he will gain weight.  ____________________________________________________________ 7) Unless the police stop me, I will reach you in time.  ____________________________________________________________ 8) Unless his older brother drives so fast, he will not crash into the other car.  ____________________________________________________________ 9) Unless Fred cheats at the test, his teacher will not phone his father.  ____________________________________________________________ 10) Unless I switch off the radio, I will know about the second goal.  ____________________________________________________________ 11) We will sell the bike for 20 Euros unless Ron repairs it.  ____________________________________________________________ 12) Unless you use a lot of colors, the drawing will be perfect.  ____________________________________________________________ 13) The children won’t happy unless he teaches them English.  ____________________________________________________________ 14) Unless Ireen visits us, we will go out tonight.  ____________________________________________________________