初中时态综合讲练习

1、 时态专题知识梳理 知识点1：一般现在时 1. 经常性或习惯性的动作，常与表示频度的时间状语连用。 　　时间状语： every…, sometimes,　at…, on Sunday 　　I leave home for school at 7 every morning. 　　He cycles to work every day. 2. 客观真理，客观存在，科学事实。 　Shanghai lies in the east of China. 　Water boils at 100 centigrade degrees. 3. 表示格言或警句中。 　　Pride goes before a fall.　骄者必败。 　注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。 　　Columbus proved that the earth is round. 4. 现在时刻的状态、能力、性格、个性。 　　I don't want so much. 　　Ann Wang writes good English but does not speak well. 5. 一般现在时表将来： 　　(1)．下列动词：come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。 　 　　The train leaves at six tomorrow morning. 　 　　When does the bus star? It stars in ten minutes. 　　(2). 倒装句，表示动作正在进行 　 　　Here comes the bus. = The bus is coming. 　 　　There goes the bell. = The bell is ringing. 　　(3). 在时间或条件状语从句中。 　 　　When Bill comes (不是will come), ask him to wait for me. 　 　　I'll write to you as soon as I arrive there. 　　(4). 在动词hope, take care that, make sure that等后。