7、eanthecar清洗汽车【语法】(一)一般过去时的各种句型转换:1.一般疑问句结构为:Did+主语+动词原形+……?及其肯定回答:Yes,…+did.否定回答:No,…+didn’t.e.g.:A:Didyoucatchanyfish?B:Yes,Idid./No,Ididn’t.句式训练:将下列句子改为一般疑问句,并作肯定和否定回答。1)My father went fishing last Saturday. 2)We flew kites in the park last weekend. 3)He played football ye
8、sterday. 4)They picked some oranges on Sunday. 5)Anoldmanlivedinthehouse.6)