【今日主题】

From the above translation answers, we can see a phrase which is : insist on or insist upon. It means " to demand something and refuse to be persuaded to accept anything else ". Because "on" or "upon" is a preposition, a gerund or a gerund phrase can follow it. So , we have another phrase : insist on doing or insist upon doing. However, it differs from "insist on ( upon )". It means " to continue doing something even if other people think it's annoying".

【精彩点拨】
All right, let's look at a sentence: He insist that he should be innocent. What do you say it is true or false? It is false. In this sentence, "insist" means "to say or think firmly that something is true, especially when other people don't believe you". 在这句话中，insist 意为：坚持说，坚持认为，固执己见。作为这个意思来讲，其后面跟的宾语从句不能用虚拟语气。只有当insist作为“坚持要求”这个意思来讲，其后面跟的宾语从句才可以使用虚拟语气。How do we correct the above false sentence? It is : He insist he is innocent.

Just now we talked about "insist on" or "insist upon". 如果句子表达的意思是坚持认为的话，就不可以用这个短语。He insist upon his innocence. 他坚持说他他是无辜的。这句话是错误的。我们可以看insist on（upon）的英文解释：It means " to demand something and refuse to be persuaded to accept anything else "。但是这句话可以这样说：He insist upon saying that he is innocent. It means he continues saying he is innocent. 他不断地说他是无辜的。也就是说他坚持说他是无辜的。

Well , that's enough for now. 今早讲的东西您学会了吗？My dear friends. I'm sure you are smart and get it. Alright , thank you for your listing this time. See you next time.

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