
功放上, A+B A OR B 是什么意思啊
我都不懂
Who is taller,Li Ming or Chen Qiang?Which is longer,this ruler or that one?希望对你有所帮助,有不会的可以再问,祝学习进步
A had a superior quality than B or C,这句话对吗
be作助用的形式如①am, is, are, was, were②助动词+be:shall be, will be, can be, etc.③have\\\/has\\\/had + been(完成④am, is, …being(进行时) (1达进行时态句型 be + V-ing…(进行时态)例:What are you reading?(你正在阅读什么
)I am reading a magazine.(我正在阅读杂志。
)例:He will be taking a walk in the park at this time tomorrow morning.(明天早晨此时他将会正在公园散步。
)例:She has been teaching English in our school for years.(她已在我们学校教英语许多年了。
)解说 第一例句是表达现在进行时,第二例句是将来进行时,第三例句是现在完成进行时。
(2)表达被动语态句型 be +p.p. …(被动语态)例:English is spoken in both Canada and the United States.(加拿大和美国都讲英语。
)例:Those keys were found in your drawer.(那些钥匙是在你的抽屉里找到的。
)例:It can be done much faster in this way.(这件工作用这个方法可以更加快速地做好。
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