I could是什么时态

I could是什么时态 I was so tired that I could not walk any more是什么时态这是什么时态啊, 由could引导的特殊疑问句的时态是什么时态? i didn't believe they could do the work 是否定转移吗否定转移,要求主句是什么时态 I am sleep是什么时态.I am sleeping是什么时态. i've been ...是什么时态? I am sleep 是什么时态 I was happy 是什么时态? i wish i could have seen the ballet ..i am sure it would have been a pleasant memory in the trenches.这两句话各是什么时态? 英语句子结构分析的问题,I reckon William could have been telling the truth.could have been telling 请问这是什么时态?是虚拟语气吗?如果是虚拟语气,为什么不用could have told the truth? I didn't know if it would run,but I could see myself in it.would run是什么时态?if主句和but句有时态上的错综么 could 用于什么时态 she draws beautifully 怎么翻译i could not bear it 是什么时态the match ended at four o'clock 怎么翻译 I was parked my car是什么时态 I'd like 是什么时态呀? I'm still alive是什么时态 I'd like a shirt 是什么时态? I like playing basketball.是什么时态?