They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那

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They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那

They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那
They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living
这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那这两者可以从现在完成时中出现吗?

They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那
答案选C是对的,你的理解也很对.
since可以在过去完成时中出现,但需有表明是用过去完成时的条件.如：
They said that she had lived in Guangzhou since 2000.在此从句中用过去完成是因为与they said 相比,lived在said 前.
by the year +过去年份、 before+过去年份（应出现在宾语从句中）与since.都是表示时间状语的方法,一般不会同时出现在一个句子中.

用法  1、现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果 I have spent all of my money (so far).(含义：现在我没有钱花了.) Guo Zijun has (just/already) come. (含义：郭子君现在在这儿) My father has gone to work.(含义是：我爸爸现在不在这儿)  2...

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用法  1、现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果 I have spent all of my money (so far).(含义：现在我没有钱花了.) Guo Zijun has (just/already) come. (含义：郭子君现在在这儿) My father has gone to work.(含义是：我爸爸现在不在这儿)  2、现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作（用行为动词表示）或状态（be动词表示）,常与for+时间段,since+时间点或过去时的句子连用. ①for+时段 ②since+过去一个时间点译为自从„„以来 ③since+时段+ago ④since+从句过去时 ⑤It is+时段+since+从句过去时 Mary has been ill for three days. I have lived here since 1998.
has gone (to),has been (to), has been (in) 的区别 Have/Has gone(to) :去了(现在不在说话现场) eg：A：Where is your father? B：He has gone to Shanghai. Have/Has been (to) :去过（已不在去过的地方） eg：My father has been to Shanghai. Have/has been in呆了多久（还在所呆的地方） eg：My father has been in Shanghai for two months/since two months ago.
现在完成时的标志 1. 现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义: * 以already, just和yet为标志 He has already got her help. 他已得到她的帮助。 He has just seen the film. 他刚刚看过这场电影。 He hasn't come back yet. 他还没有回来。 * 以ever和never为标志 This is the best film I have ever seen. 这是我曾经看过的最好的一部电影。 He has never been to Beijing. 他从没有到过北京。 * 以动作发生的次数为标志 He says he has been to the USA three times. 他说他已经去过美国三次了。 * 以so far+到目前为止为标+before He has got to Beijing so far. 到目前为止他已到了北京。 She has passed the exam so far. 到目前为止她已经通过了考试。 2.过去已经开始的动作一直延续到现在, 甚至有可能继续延续下去,我们可以从动作“延续”的特性和“时间”点段的区分入手,进一步学习现在完成时。 * ①for+时段 ②since+过去一个时间点(过去从句)为标志
Mary has been ill for three days. I have lived here since 1998.

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【俊狼猎英】团队。

因为出现了since，所以排除A/D，自从2000年他们一直住在广州，说明现在还住在广州，到目前为止，所以用have lived，如果题目中说自从2000年到2010年他们住在广州，已经过去发生的了才用B

改错【选A.B.C.要把正确的答案写在后面】【 】1.there is any rice on the plate.______A B C D[ ] 2.how much mangoes are there in the basket?_________a____ __b__ ____c_____[ ]3.there is a picture in the wall._______a b c[ ]4.they like to They ____C_____ in Guangzhou since 2000.A.lived B.had lived C.have lived D.were living这个选C.但是是不是因为有SINCE所以才选C的呢?那么SINCE可以在过去完成式中出现吗?BY THE YEAR...和BEFOR是过去完成式的标志词,那 They are green.They are long.They are g( ) b（ 根据首字母提示补全单词.1.They are green.They are long.They are g( )b( ).2.The water in the river is c( ). 3.There are many f( )and t( ) in the park.4.My v( ) They live in water. They leave in Tianjin. They are in ( ) colours a.they're in the room.b.yes,ther're in the room.ca.they're in the room.b.yes,ther're in the room.c.no,it isn't.d.no,they are on the sofa.e.they're oranges.f.they're orange.g.it's on the sofa.h.B-A-G.l.no,they're lily's G—— speaking ,women are better than men in learning languages when they are young.开头填G开头的简单单词 they work in a school? ()() they()? Are they in china?NO,they（） 英语对话排序 A:yes,they are in the drawer.thank you.B:i don't know.C:are they in your bag?…D:where are my pencils,bob?E:no,they aren't.F:are they in the drawer?G:you are welcome. 排序,A.Is it in your desk?B.Were they in your pencil box?C.Look,they are in your bag.D.WhereD.Where is my English book?It was there jus now.E.No,it isn't.F.Is it in your bag?G.They were there a moment ago.But I can't find then now.H.Oh,yes.Thank yo Visitors to London eat in restaurants.The owners and workers in them are all from other countries.The visitors say in these restaurants they don’t feel they are in England.Most of the English people eat at home as much as they can.A young man who g ___ ___are they in?They are in ____Two ,____Four they were in his desk what class are they in? They share secrets in life.