初中语法 现在完成时课件.ppt

1 上一页下一页主菜单 2 同学们好!今天我们介绍的英语语法知识是时态中的现在完成时。现在完成时是中考考纲要求的五种基本时态之一,要求同学们必须掌握并熟练运用。这种时态的动词变化,基本用法,时间状语,特殊结构等要点与其他四种时态相比要有一定的难度,希望同学们重视并且能够从下面的介绍中获得帮助。 3 present(now) future past 现在完成时( present perfect tense) do my homework 4现在完成时主菜单上一页下一页现在完成时的构成现在完成时的构成现在完成时的主要用法现在完成时的主要用法现在完成时的时间状语现在完成时的时间状语短暂性动词与时间段的关系短暂性动词与时间段的关系 have been 与 have gone 比较 have been 与 have gone 比较与一般过去时的用法比较与一般过去时的用法比较 5现在完成时的构成现在完成时的构成主菜单上一页下一页 have (has ) + 过去分词 6过去分词的构成过去分词的构成上一页下一页 Type original cut cut cut hit( 撞击) hit hit cost cost cost hurt hurt hurt Put( 放) put put read read read AAA 主菜单 7 meet met met keep kept kept make made made bring brought brought buy bought bought think thought thought teach taught taught tell told told lend lent lent spend spent spent find found found hear heard heard build built built ABB 8 begin began begun sing sang sung drink drank drunk swim swam swum speak spoke spoken choose chose chosen know knew known forget forgot forgotten break broke broken drive drove driven give gave given eat ate eaten write wrote written ABC 9 see saw seen go went gone take took taken ride rode ridden wake woke waken grow grew grown draw drew drawn hide hid hidden ABC 10