现在完成时Speaker :wps powerpoint 现在完成时的构成have (has)+ 过去分词不规则动词原型-过去式-过去分词形式:1)AAA型(三种都一样)如:costcostcostcutcutcuthurthurthurtshutshutshutsetsetset2)ABB型(过去式与过去分词相同)如:bring-brought-broughtcatchcaughtcaughtleadledled3)ABC型(三种都不一样)如:begin-began-begungrowgrewgrownringrangrungbreakbrokebroken4)ABA型(原形与过去分词相同)如:come-came-comebecomebecamebecomerunranrunI. 写出下列动词的过去分词形式.1. wake_ 2.teach_3.sell_ 4.see_5.ride_ 6.pay_7.choose_ 8.throw_9.think_ 10.eat_11.drive_ 12.catch_13.bring_ 14.break_15.give_ 16.get_17.know