Negative sentences of object clauses

The negative sentence of the object clause is negative in the main clause.

According to the grammatical convention, if the object clause is followed by think, support, believe, imagine, guess, etc. When it is a negative sentence, the negation should be transferred to verbs such as think in the main sentence, which is called "negative forward" or "negative forward"

I don't think you can go there by bus.

I don't think you can go there by bus.

I don't think you can go there by bus.

There is a sentence in the twenty-fifth lesson of the ninth grade textbook of Hebei Education Publishing House: "I see you have money." This sentence is an object clause, and the negation in the clause is not transferred to the main clause. Why is this? Are there any other situations that deny not moving forward? After reading several English reference books and reference books, the author draws the conclusion that the negation of the object clause after the word think cannot be transferred to the main sentence think verb in the following situations.

(1) when think is completed or when it is completed;

I've been thinking that we shouldn't take his advice.

I always thought that we should not listen to him.

② think is the simple past tense or the past continuous tense;

We don't think this book is worth reading.

We think this book is worth reading.

(3) when there is an adverb in front, it is considered;

I almost thought you were not my son's teacher.

I almost thought you were not my son's teacher.

4. when there are words such as do and did before thinking;

I really don't think she is beautiful at all.

I really don't think she is beautiful.

⑤ think is used for general questions or special questions;

Do you think he won't join the party?

Do you think he won't join the party?

Why do you think we can't beat you?

Do you think we can't beat you?

When the object clause after think contains negative words such as no, never, nothing, nobody.

I think she may have nothing to do today.

I think she has nothing to do today.

When think is used as parenthesis;

Your sister, I think, is not a friendly homosexual.

I think your sister is not very friendly.

⑧ When the object clause after think contains no, no, not enough, can't help but wait for fixed phrases; I think you can't help laughing when you hear this joke.

I think you can't help laughing when you hear this joke.

When think and another verb form a coordinate predicate;

I think and hope that even if you lose the game, you won't be sad.

We think and hope that even if you lose the game, you won't be sad.

When think is used as the predicate of subjunctive mood, it means "I thought …";

I thought he had never been here.

I thought he wouldn't come.