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Unit 7 Mind and memory* truths, facts, things which always happen原理,客观事实,规则例句:If you cool the water, it turns into ice.结构: if从句(一般现在时)+ 主句(一般现在时)* possible things now or in the future. 可能会发生的事引导词是if(如果).如果主句是一般将来时,条件状语从句只能用一般现在时.例句:If you stay at home, Ill go.如果你呆在家里,我就走。If we dont get up early, we wont catch the train.如果我们不早起,我们就赶不上火车。If you know the answer, write it down.结构:1)if从句(一般现在时)+ 主句(一般将来时)2)if从句(一般现在时)+ 主句(祈使句)*(拓展): a wish, not real things now or in the future愿望,现在或将来不会发生的事例句:If I had a billion dollars, I would buy the biggest boat.结构: if从句(一般过去时)+ 主句(一般过去时)(would.)【巩固】complete the sentences with the right verb forms.1. If you _(not study), you _(fail) the test.2. We _(die) if we _(not get) help soon!3. If you _(look) in the fridge, you _(find) some cold drinks.4. If there _(be) no oil in the engine, the car _(break) down.5. I _(lend) you my umbrella if you _(need) it.6. The sea level _(rise) if the planet _(get) hotter.7. If you _(eat) your sandwiches now, you _(have) anything for lunch!8. You _(be) safe in an accident if you _(wear) your seatbelt.9. If he _(save) all his money, he _(be able to go) on holiday to Canada.10. I _(not come) with you if you _(not bring) John!- 1 -用心 爱心 专心
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