【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《现在完成时及动词变化》,欢迎阅读!

创作编号:
GB8878185555334563BT9125XW
创作者: 凤呜大王*
现在完成时定义
1. 表示过去不确定的时间发生的动作,对现在有影响。 2. 表示过去发生并持续到现在的动作。
规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相
同。四点变化规则:
(1)、一般动词,在词尾直接加“ ed ”。
work---worked---worked,visit---visited---visited (2)、以“ e ”结尾的动词,只在词尾加“ d ”。 live---lived---lived,
(3)、以“辅音字母 + y ”结尾的动词,将 "y" 变为 "i" ,再加“ ed ”。 study---studied---studied,cry---cried---cried
(4)、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。
stop---stopped---stopped,drop---dropped--dropped
不规则动词:
ABC型
原型
过去式 begin began bear bore blow blew break broke choose chose draw drew drive drove do / does did fly flew forgive forgave forget forgot
begun born,borne blown broken chosen drawn driven done flown forgiven forgotten,forgot 过去分词
原型
过去式 过去分词
give gave given go went gone know knew known grow grew grown lie lay lain ride rode ridden rise rose risen ring rang rung shake shook shaken sing sang sung be was/were been
freeze write take wear see 原型
froze wrote took wore saw 过去式 could might should
frozen written taken worn seen
sink sank swim swam throw threw drink drank
sunk swum thrown drunk
过去分词
can may shall
AB型
过去分词 AAA型
原型 过去式 will would be was/were
过去式 burst cast cut hit hurt cost
过去式 beat
过去分词
原型
burst cast cut hit hurt cost
AAB型
原型
burst cast cut hit hurt cost
过去分词
beat
特殊情况
read
过去式 brought bought built burnt caught dug felt fought
beaten,beat
read
(read原形发音为/ri:d/,过去式和过去分词发音为/red/)
ABB型
原型
read
过去分词
bring buy build burn catch dig feel fight brought bought built burnt caught dug felt fought
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