1、优质文档优质文档Unit 15 Were trying to save the manatees!常用时态归纳本期我们对初中阶段需要掌握的时态做一简要归纳，相信定会对大家有所帮助。请仔细观察 下面的 例句，然后补全结论部分所缺的内容。 （过去将来时与过去完成时只需要大家了解，在此不再涉及）【例句】1. He often goes to see his grandmother. 他经常去看望他的祖母。2. She is making dumplings now. 她正在包饺子。3. He will come next week.他下星期来。4. I read a book last week.上
2、星期我读了一本书。5. When I called him, he was having dinner.我给他打电话时，他正在吃晚饭。6. The car has arrived. 车到了。【结论】A. 一般现在时强调动作的习惯性与经常性。其构成为：主语 + 动词原形或动词的_B. 现在进行时强调动作正在进行。其构成为：主语+am / is / are + _C. 一般将来时强调将来要发生的动作。其 构成为：主语 + will / shall + _D. 一般过去时强调动作发生在过去。其构成为：主语+ 动 词的_E. 过去进行时强调在过去某一时间点动作正在进行。其构成为：主语 + _ + 动词
3、的-ing 形式F. 现在完成时可强调过去的动作对现在造成的影响或结果，也可表示过去的动作或状态持续到现在。其构成为：主语 + have / has + 动词的_Key: A. 第三人称单数形式 B. 动词的-ing 形式C. 动词原形 D. 过去式 E. was / were优质文档优质文档F. 过去分词【运用】根据括号中所给动词，用其正确时态填空。1. Frank _(help) his mother with the housework on Sundays.2. I _(become) a middle school student three years ago.3. Hello!
4、May I speak to your father, please?Sorry, my father _(go) to Shanghai. He went there this morning.4. Whats the noise?Jane and her sister _(watch) TV.5. They _ (have) eggs and bread for breakfast tomorrow morning.6. He _ (cross) the street when he was hit by a bike.Grammar Focus1. helps 2. became 3. has gone 4. are watching5. will have 6. was crossing
