时态判别1.We know he ____ (visit) his friend at present.2.____ (see) is ____ (believe).请问如何判别两句时态

时态判别1.We know he ____ (visit) his friend at present.2.____ (see) is ____ (believe).请问如何判别两句时态 (2个汉译英）1.我们不知道那个时候教室里发生了什么事情：We do not know ___ ___ ___ in the classroom aWe do not know ___ ___ ___ in the classroom at that time.2.他在上飞机前感到紧张：He feels anxious before he ___ ___ We want to know when he ____ from Taiwan.If he ____,please tell us.(return) 时态填空 do you know ___(he)? We call identical twins ___.填clone.还是 cloned.He did not know ___(exact) what to do about it. 动词时态we ___(have)an English lesson this time yesterdayif there is no water ,there__(be) no living things on earth i'll lrt you know as soon as he ___(return)Hurry up .Your mother ____(wait) for you at the gate When the doctor arried ,the old m Tom has just arrived,but I didn't know he ___ until yesterday.(come)时态填空.答案是would come,请问为什么 1.I don't know the school,but it's ___ to be quite a good one.A.told B.spoken C.talked D.said 2.She asked me ___ I was sam and I said yes.A.that B.who C.whether D.what 3.I think he is right,___?A.don't B.do I C.is he D.isn't he 4.we don't know ___ 1.as we all know,reading and writing are two different skills.as we all know,reading skills ___ ___ writing skills . 同义句转换：Whose bike it is?We don't know.We don't know ___ ___ ___ ___. Through用法through+时间段(We all want to know how he can live through 5 years all alone on the lonely island)与什么时态连用? I ___(know) him since he ___(is)a child 求一道时态题目：Mr. Brown hasn't come yet. When he ___(come), we _____(begin) the meeting.越快越好,分分钟解决~~ he ___(get)better now 用什么时态 He didn't know what he should do.(改为简单句)He didn't know ___ ___ ___. Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know 英语 用动词的正确形式填空（划出关键词,写时态）1.I ____(do)my homework every evening.2.we usually___(fly)kites in the park.3.My mother ___(clean) our room on Sundays.4.Tom ___(play) the piano every Saturday.Now he ___(play).5.My 请帮我看看这个句子是什么时态.这个句子“ When he was a child when we know ”是不是 simple past or present continuous 如果不是~请帮我看看是什么时态?