时态转换是否正确We had learned (learn) about 800 words by the end of this year .

We had learned (learn) about 800 words by the end of this year .时态时态转换是否正确？ 时态转换是否正确We had learned (learn) about 800 words by the end of this year . when we got to the station we found the train had left (leave) alvedy时态转换是否正确？ She must be sent (must sent) to the hospital时态时态转换是否正确？ We had great fun --- (learn) English last term 正确形式是什么 China today is (be) no longer what she was in the past.时态时态转换是否正确？ What were you doing (do)this time yesterday.时态转换是否正确？ I haven't seen (not ,see)him since i came here时态转换是否正确？ imagine the harmonious life we living in 中living 时态是否正确 We had learn 1,000 English words by the end of last month.我的时态和句型用得对吗? we had great fun ---english.A.learn.B.to learn C.le... we had great fun ---english.A.learn.B.to learn C.learning D.learned had had是什么时态 we always have fun （learn) english正确形式 We (not learn)the word yet.用正确形式填空 请问这一句英语语法是否正确Is it those whose opinions resemble ours that we can learn more from than those whose ideas conflict with ours? we had fun playing in the water同义句转换 we had a day off yesteray同义句转换