我学英文语法有过一点困难。

I had a little trouble learning English grammar.

youdao

英文语法使那男孩大伤脑筋。

English grammar tasked the boy 's mind.

youdao

我觉患上英文语法枯燥难明。

I found English grammar dull and difficult.

youdao

So, if you want to estimate how many grammatical sentences under twenty words in English, the answer is, "A lot."

如果你想估计一下,用二十个英文单词,可以组成多少个符合语法的句子,答案会是,"很多"

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