6、topplanhiccupstoppedplannedhiccupped2.不规则变化go take have eat see do(does) are is(am) getforget come meet win make take buy thinkbring fight catch teach sing ring swim drinkbegin s
7、it give sleep keep spell spend tell speak wear write stand hang pass cut let putTask2:请总结一般过去时用法、动词形式和时间状语。一般过去时的用法________________________________________________________________________________________________________