英语语法,hardly did i think it impossible这句话为什么有did还用think而不用thought,还有it后面为什么不用is,谢谢

英语语法,hardly did i think it impossible这句话为什么有did还用think而不用thought,还有it后面为什么不用is,谢谢 hardly when倒装hardly后面可以用一般过去时吗?原句是I hardly did sth倒装要改成过去完成时还是不变? I hardly understood what you said改为反义疑问句是I hardly understood what you said,did you?还是I hardly understood what you said,did 还是其他. ______I had a few problem to deal withA hardly have I arrive when B hardly did i arrive than C hardly had i arrived when D hardly had i arrived than I hardly believe what you said中倒装句的助动词为什么是did I can hardly remember I can hardly wait. I can hardly wait. I can hardly speak Hardly ( ) my homework when the clock began to ring.选项:a、did I finishb、I finishedc、finished Id、had I finished Hardly ( ) my homework when the clock began to ring.选项:a、did I finishb、I finishedc、finished Id、had I finished Are you right?I hardly i can hardly wait汉语 i can hardly wait 英译汉 .I could hardly speak． Your smile I can hardly You could hardly see the road,could you?一_.It was so windy and rainy.A.Yes,I could B.No,I couldn’t C.Yes,I did D.No,I did not. 1、the party will farewell be on June 20th 2、I not buy did clothes folk