刚那句话you'd better ask Mr.Wang for help when having problems.When后面不是该有个从句吗?用现在分词是什么概念.不懂阿.

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刚那句话you''dbetteraskMr.Wangforhelpwhenhavingproblems.When后面不是该有个从句吗?用现在分词是什么概念.不懂阿.刚那句话you''dbetteraskM

刚那句话you'd better ask Mr.Wang for help when having problems.When后面不是该有个从句吗?用现在分词是什么概念.不懂阿.
刚那句话you'd better ask Mr.Wang for help when having problems.When后面不是该有个从句吗?
用现在分词是什么概念.不懂阿.

刚那句话you'd better ask Mr.Wang for help when having problems.When后面不是该有个从句吗?用现在分词是什么概念.不懂阿.
现在分词是指：有动词原形+ing形式组成.具有双重性,一面具有动词的特征,可以有自己的宾语和状语；另一面具有形容词和副词的特征,可以充当表语,定语,状语,补足语,可以表示主动或正在进行的动作.
这个句子中when 应该是引导的一个时间状语,即表示在遇到问题的情况下.

···having problems就是从句，只是省略了人，直接用动名词做主语···这样可能更好理解吧

现在分词（Present Participle）(又称-ing形式、现在进行式) ，是分词的一种，分词又分为现在分词和过去分词，它们都是非限定动词，即在句子里面不能单独充当谓语，但能充当其它的一些成分（定语，表语，补语和状语），并且它们具有动词的性质，所以又是类动词的一种。一般式doing 一般被动式being done 完成式havingdone 完成被动式having been done 所有...

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You'd better ask Mr. Wang for help when (you are )having problems.
you are 被省略了而已。

你记住就好了：
when, after, before, if等连词后面如果直接加动词的话，一定是加V-ing(动词的-ing形式）。
比如：I'll tell you before going there. (去那儿之前我告诉你。）

刚那句话you'd better ask Mr.Wang for help when having problems.When后面不是该有个从句吗?用现在分词是什么概念.不懂阿. You Better Ask 歌词 you had better ask herself for reason这句话回答您刚才给我翻译的那段话对吗? I have a reason,but you'd better not ask you'd better ask him for help,_ _you? You'd better ____(ask)the policeman over there.over You'd better ask her for help 同义句 You'd better ask Jack to go改为否定句 You'd better ask Jim _(he).填什么?为什么? 回答：You'd better ask the shopkeeper.怎么提问 If you don't want to get lost,you'd better ask for the way.那个you后面是不是had,如果是那为什么它要用过去式. you'd better ask the policeman---ask后加介词吗? 根据提示填空：You'd better take this __.括号里的那句话是什么意思? You're in trouble.You'd BETTER ASK YOUR CIASSMATES TO HELP YOU.怎么翻译? You'd better go and ask him.He ____ know how to use computer. You'd better ask that man over there 改为否定句 You'd better ___(ask)him the question 被动语态的题怎么做啊 before seeing the doctor ,you'd better ask the nurse to take your t____ first.