初二英语现在完成时一、用所给动词的适当形式填空1.He______(not clean)out the computer table by now.2.He______(fall) off the bike and ______(break) his left leg yesterday.3.Oh,i ______(leave)my bag on the bus .What shall i do?二

初二英语现在完成时一、用所给动词的适当形式填空1.He______(not clean)out the computer table by now.2.He______(fall) off the bike and ______(break) his left leg yesterday.3.Oh,i ______(leave)my bag on the bus .What shall i do?二
初二英语现在完成时
一、用所给动词的适当形式填空
1.He______(not clean)out the computer table by now.
2.He______(fall) off the bike and ______(break) his left leg yesterday.
3.Oh,i ______(leave)my bag on the bus .What shall i do?
二、根据汉语提示完成句子
1.你决定写关于哪本书了?
______ ______ did you decide ______ ______ ______?
2.我们的运动会预期进行3天
Our sports meeting is ______ ______ ______ for three days.
3.我们可以利用这个故事来教育孩子们保护濒危动物
We can ______ this story ______ ______ our children ______ ______ endangered animals.
4.她对自然科学很感兴趣,并且喜欢想象100年后的生活会是怎样的
She is ______ ______ science and loves to imagine ______ the world ______ ______ ______ in 100 years.

初二英语现在完成时一、用所给动词的适当形式填空1.He______(not clean)out the computer table by now.2.He______(fall) off the bike and ______(break) his left leg yesterday.3.Oh,i ______(leave)my bag on the bus .What shall i do?二
一.
has not clean
has fallen,broken
have left
二.
Which  book   to  write  about
is   about   to  hold
use   to   teach  for  protecting 
intrested   in   how   would  be   like

一、have/has been to …：I have never been to Beijing.
have/has gone to …：He has gone to Shanghai，so he isn't here now.
二、neither/either：①作主语时，可单独使用，也可以与of连用，either，neither接谓语动词一般用单数形式，但这两者在口语中作主语...

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一、have/has been to …：I have never been to Beijing.
have/has gone to …：He has gone to Shanghai，so he isn't here now.
二、neither/either：①作主语时，可单独使用，也可以与of连用，either，neither接谓语动词一般用单数形式，但这两者在口语中作主语时，其后的谓语动词也可以用复数。例如：
Either(of them)is OK. (他们两个中)任何一个都行。
②作宾语,可单独使用，也可以与of连用，放在动词或介词之后。例如：
I don't know which book is the better；I shall read both.我不知道这两本书哪一本好，所以我两本都读。
I like neither.(两个)我一个也不喜欢。
③作定语,either和neither后面接单数名词。例如：
On either side of the river there are a lot of trees.河的两边都有许多树。
句中可作主语、宾语和定语。
Neither of the films is good.
两部电影都不好。（没有一部是好的）
Either of the films is good.
（作主语，谓语动词用单数）
两部电影中有一部不错。
He wrote to neither of them.
他没给他们两个任何一个人写信。
He wrote to either of them.(作宾语)
他给他们中的一个人写了信。
Neither teacher often answers the questions.
这两个老师，没有一个经常解答问题。
Either teacher often answers the questions.
这两个老师中有一个常常解答问题。
Both the teachers often answer the questions.（作定语）
三、join--be in/be a member：join是"加入"的意思，后常接“某组织、团体、俱乐部等”
例如:入党(join the Party) 参军（join the army）
而"join in"是"参加"的意思,常用于:join sb in +活动名称
如：join us in the games
还有"take part in"也是"参加"的意思
例如:参加歌咏小组(take part in the singing group)
还有"enter for"是"报名参加"的意思
例如:报名参加数学竞赛(enter for the maths contest)
当join和join in当“参加”讲时,
join表示参加某一团体、组织、机构，并作为其中一员（如：入党、入团、入会、参军等）
e.g.He joined the Labour Party/this company in 1999.
他1999年加入了工党/这家公司。
join in: to take part in an activity 参加(活动)
e.g.We all joined in the singing.我们大家一起唱歌。
另外：join也有to take part in an activity的意思
但join后接的名词似乎更加抽象
e.g.Come on in and join the fun!快进来一起玩吧
attend 是出席的意思，表示在某种比较正式的场合出现。例如，上课，会议等。
attend a meeting/ party/wedding
attend school/university
至于join 与be a member of的区别如下；
join是短暂性动词，不能与“for + 一段时间”搭配，而“be a member of”是延续性动词，能和“for + 一段时间”搭配。比较常见于现在完成时的句型转换中。
如：He joined the army in 2002.
He has been a member of the army for five years.
四、open--be open
open：open在此为动词表动作 He opened the door.
be open：open在此为形容词表状态 The door is open.
五：begin--Class is begin.
be on--The dog is on the table.

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