简单的英语语法提问!I think,is difficult to learn it,but I decide to learn it well.改错,我知道是删去 is difficult to learn it中的it,但是我不知道为何,what time ____ you ____(get) to Beijing yesterday？we ___(get) to Beijing

简单的英语语法提问!I think,is difficult to learn it,but I decide to learn it well.改错,我知道是删去 is difficult to learn it中的it,但是我不知道为何,what time ____ you ____(get) to Beijing yesterday？we ___(get) to Beijing
简单的英语语法提问!
I think,is difficult to learn it,but I decide to learn it well.
改错,我知道是删去 is difficult to learn it中的it,但是我不知道为何,
what time ____ you ____(get) to Beijing yesterday？
we ___(get) to Beijing at 9:00 in the exening.
是填did get;will 如果是，那为什么填will get而不填got，因为上面是对提问过去式啊！
my father ____(mend) his model these days。应该填is mending为什么是进行时态，而不是一般现在时？

简单的英语语法提问!I think,is difficult to learn it,but I decide to learn it well.改错,我知道是删去 is difficult to learn it中的it,但是我不知道为何,what time ____ you ____(get) to Beijing yesterday？we ___(get) to Beijing
订正了的句子是：
I think （that）it is difficult to learn (it / sth it放在这里并没有错),but I decide to learn it well.错的是没有写上形式主语it.

I think 后面加宾语从句== sth is difficult to learn, it 没有必要。

那个。。。
确定题目是I think, is difficult to …… think的后面有个逗号？is 前面没有东西吗？yes，看看追问貌似，一般都是 I think it difficult to do sth. 或者是 I think it is difficult to do sth. 这里总觉得题目怪怪的。。。 如果一定要去掉it 的话，那说明了前面的learn...

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那个。。。
确定题目是I think, is difficult to …… think的后面有个逗号？is 前面没有东西吗？

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1. I think (that) it is difficult to learn it, but I decide to learn it well.
这个句子，think后面是宾语从句，that不做成分，可以省略。所以it is difficult to learn it, but I decide to learn it well.是一个宾语从句。
如果是你说的去掉it。那...

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1. I think (that) it is difficult to learn it, but I decide to learn it well.
这个句子，think后面是宾语从句，that不做成分，可以省略。所以it is difficult to learn it, but I decide to learn it well.是一个宾语从句。
如果是你说的去掉it。那应该是I think it difficult to learn, but I decide to learn it well。 这时就没有宾语从句了。but连接两个并列句。I think it difficult to learn 中的it是形式宾语。“我认为它比较难学”，就像make 一样，make sth/sb +形容词，“使得某人、某物。。。” difficult to learn 作宾补。
2. what time ____ you ____(get) to Beijing yesterday？
we ___(get) to Beijing at 9:00 in the exening.
yesterday 就表明是过去的事情了，应该用过去式。第二个空应该填got吧。如果是填will get 只能解释现在还没有到北京，今晚才能到。 有没有would get这个选项，有的话，可以理解成过去将来时。这样也能讲得通。
3. my father ____(mend) his model these days。 现在进行时，除了表示时态外，还含有一定的感情色彩，比如赞扬，厌恶等等。这个地方填is mending，强调these days 这些天 父亲一直在修理他的模型，强调一直在做。并且含有感情色彩。

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