Ex. 1. fill in the gaps with if or when and a verb in the present tense, as in the examples. 1. we might go for a walk tomorrow. if we go, we will take the dog with us. 2. the guests will arrive soon. when they arrive, we will greet them at the door. 3. i am going to phone sam in a minute. … him, i want you to leave the room. 4. i might visit pamela tomorrow. … her, i will buy her a present. 5. the bus comes at eight o'clock. …, we will all get on it. 6. she might invite us to her party. … us, we will go. 7. the film will start soon. …, i will record it. 8. mark may lend me some money. … some money, i will buy that jacket.