Use the verbs in brackets in the right forms to complete the sentences. 1. Jack is not sure i f he (be) in London next week. 2. If he (go) to London next week, he (meet) his cousin M ary. 3. If you (not, change) your plans for the coming summ er, I ’ ll go to the sea with you. 4. I don ’ t know when I (watch) this new film but I really want to do it. 5. If they (have) some free time in the evening, they (visit) their old friends. 6. Denis (help) you with your work i f you (ask) him. 7. M y friends w ould like to know when they (have) a chance to visit the H istory Museum. 8. Please tell me when you (be) able to come and see us.