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D try 1. Why don't you try (to lose/losing) some weight? 2. He tried (to go/going) to evening classes but his English was still hopeless, 3. She tried (to explain/explaining) the situation but he refused to listen and went on grumbling. 4. Do stop talking, I am trying (to write/ writing) a letter. 5. He tried (to persuade/persuading) them to sign a contract. 6. Try (to forget/forgetting) it, it is not worth worrying about. 7.1 tried (to catch/ catching) his eye, but he sat motionless. 8. He tried (to cook/cooking) but failed. 9. They had tried (to introduce/ introducing) many other methods in return to the initial one. E stop 1. If you stop (to do/doing) something, you finish an action. 2. If you stop (to do/doing) something, you interrupt one action in order to do something else. 3. We stopped (to buy/buying) food in the store because the owner raised the prices. 4. We stopped (to buy/buying) food in the store because we were hungry. 5. Do stop (to make/making) this awful noise! 6. We've only stopped (to buy/buying) some petrol. 7. They stopped (to produce/ producing) refrigerators because of their workers' strike. 8. He suddenly stopped (to speak/speaking), got up and left without saying anything. F be afraid to/be afraid of 1. I'm afraid (to take/taking) an exam because I'm afraid (to fail/failing) it. 2. He was afraid (to leave/ leaving) the house because he was afraid (to meet/meeting) someone who might recognise him. 3. He was afraid (to say/saying) a word because he did not know anybody. 4.1 am afraid (to go/going) by plane. 5. He was afraid (to tell/telling) her the sad news. 6. My sister is such a coward! She can't see horror films because she is afraid (to meet/ meeting) a ghost at night. 7. He was afraid (to make/ making) the next step because he was afraid (to fall/falling) because he was standing on the brink of the precipice. G can't help 1. It is silly of me, but I can't help (to feel/feeling) anxious. 2.1 can't help (to laugh/laughing)) at his jokes. 3. They can't help him (to do/doing) the exercise. 4. She could not help (to be attracted/being attracted) by the fact that she was being looked at. 5. He couldn't help his son (to solve/solving) the problem. 6. She couldn't help (to phone/phoning) her mother when she heard the news. 212
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