英语语法问题-时态1）Oh,it's you,I'm sorry I ______know you _________here.a) ddn't ,are b) didn't were为什么这道题选b,按照我的理解,我刚才不知道你在这,但是你现在还在这,为什么用were呢?2)" I'm sorry,I shouldn't

英语语法问题-时态1）Oh,it's you,I'm sorry I ______know you _________here.a) ddn't ,are b) didn't were为什么这道题选b,按照我的理解,我刚才不知道你在这,但是你现在还在这,为什么用were呢?2) I'm sorry,I shouldn't 英语语法时态的问题----Bob!How's your project?I heard you started it last Friday,right?---- Oh!I ____ for it.But I haven't decided when to do it.A.have prepared B.have been preparing C.had prepared D.was preparing求大神分析一下这道 有关英语语法（时态） oh,it's（ ）twelve o clock Oh,it's her it's been是什么时态, 英语语法问题:请问感官动词有没有进行时态?谢谢!～ 英语语法问题:出现for a while要用什么时态? 英语语法问题,Don't let's do it,()()如题~后面应该跟什么? 英语语法时态问题It ________ to me that he may have reported the matter to the headmaster.个人觉得应该填occurs答案是occured.分析下. ( )oh,it's very nice oh,it's too hard oh!It‘s allright是什么意思? oh,it's too hard 最基础的英语语法问题life's been pretty good.这是什么时态的?is 和been是做什么成分的? 英语语法时态问题.我想问一下,前面用一般过去时,后面为啥用一般现在时呢?时态一致的话,应该也是一It was five-hour flight from Beijing toBangkok,but we are fortunately seeingperformance of Thai band in airplane.我 英语语法中的各种时态 初中九年级英语语法,时态