Help me analyze the usage of While

Both of these sentences are temporal adverbial clauses, and while and when are followed by clauses, of course, both have subjects. However, while needs to be followed by a continuous verb and it is generally in the continuous tense, when should be followed by a dot verb, that is, a non-continuous verb.

The English usage of while is often confused with when, after all, the Chinese meaning of while and when both means "to ......So what exactly is the correct use of the word while?

Usage of while.

The first usage of while is that it can be used as a noun and a conjunction, translated as a period of time, a moment, a ......times, though, notwithstanding. The second usage of while is when used as a conjunction, which means "when......time, and ......At the same time", guide the temporal adverbial clause; When meaning "although, notwithstanding", it leads to a concession adverbial clause; When two parallel sentences are connected while indicates a "contrast" relationship.

The third usage of while is to guide the adverbial clause, and the while guided time adverbial clause can be placed at the beginning of the sentence or at the end of the sentence; The while guided concession adverbial clause is generally placed at the beginning of the sentence and not at the end of the sentence. When while guiding a concession adverbial clause, if the subject of the clause and the subject of the clause are the same, then both the subject of the clause and the predicate verb be can be omitted.

while means that two actions occur at the same time.

while is often in progressive. please be quite while i'm talking to you.When I talk to you.

Please be silent. he hurt while himself he was playing football.He got injured while he was playing. while can also be used as an equivalent conjunction.

work"While"Speak.

In this case, a comma should be added before while. he went out

while i stay at home.He went out.

And I stayed at home. while means that two actions occur at the same time.

So it's a little different from when. when i e back

i shall see him。When I come back.

I'm going to see him. sundy is the day when i am least busy.Sunday is the least busy day for me.

Reference: My Grammer Book

while sentence structure (1) "while" is interpreted as when, when placed at the beginning of the sentence, remember to use a comma to connect the two sentences. while (2) can also be placed between two sentences, but the comma must be removed. .

while ..How to use (1) When an action is carried out and another action suddenly occurs, we use "when".

while" to represent the action that lasts longer. (2) The action that lasts longer is represented by the present continuous past continuous, and the action that lasts for a shorter time is represented by the simple present simple past tense. (3) If two actions occur at the same time, we should use the present continuous and past continuous in both sentences.

While word usage:

1. When Changhui while is used as a conjunction, it means "in.".(process), in....Period". When the subject of the main clause is the same as the subject of the while clause, the subject and predicate in the while clause can often be omitted.

2. While can also lead to a concession adverbial clause, which means "although, although", which contains contrasting meanings. Phrase:

1. After a while.

2. A little while.

3, all the while always; Always.

Example sentences: 1, i'malimitedandobtuseclergymanwhileyou'retheexpert.

You're an expert, and I'm a foolish and stupid pastor with limited abilities.