What is the difference between when to do and when doing

The main grammatical function is different, the former can be the subject, the object,Expression, the latter can only be used as a temporal adverbial.

when to do

infinitive.

It means "when you are going to do something".

when doing

The present participle in .

It means "when I am doing something".

Usage: When can be used as a subordinate conjunction, leading an adverbial clause, and "dang..." when expressing time, in....When "solution; When expressing a condition, it is used as an "if, if" solution; When expressing contrast, it is used as a "since, take into account" solution. When the subject of the clause guided by when is the same as the subject of the clause, the subject is often used as a verb.

or auxiliary verbs are omitted, leaving only substantive verbs.

or a predicate, or rephrased as a phrase.

When the adverbial clause of time guided is in the simple present tense.

Instead of the future tense, use the present perfect tense.

In place of the future perfect tense.

whendoing

As. things at the time.

As. when

doingthe

exam,we

should

becareful.Actually, it's over here.

To put it all like this, when

weare）

doingthe

exam,we

should

becareful.

And whento

Do when to do it. Such as she

willtell

youwhentodoit.

All three words are different forms of the verb "do' and they differ in tense and person:

do: Indicates the simple present tense, mainly used in cases where the subject is in the first person (i we) or second person (you), or in affirmative or interrogative sentences of sentences.

Example sentence: I do my homework every day

I do my homework every day.

do you like ice cream?

Do you like ice cream?

doing: is the present participle form of do, which is mainly used in the continuous tense.

Example sentence: I am doing my homework now

I'm doing my homework.

he is always doing something interesting.

He's always doing things that don't make the fun key early.

does: Indicates the simple present tense, mainly used in cases where the subject is in the third person singular (he she it), or in the affirmative or interrogative sentence of a sentence.

Example sentence: she does her homework every day

She does her homework every day.

does he like ice cream?

Does he like Fuliangju ice cream?

Do is used in the simple present tense.

And the subject is the plural we, they, you, and i

Doing is used to carry out the present and imitate the time of the Wild Fiber.

It doesn't matter if the subject is singular or complex.

Does is used in the third person singular, he, she, it, etc.

What about doing is right.

What about is followed by the ing form of the verb. Because about is a preposition, remember a truth, and the verb after the preposition is in the ing form.

About is the ing form of the preposition how whatabout followed by the verb and denotes a suggestion. how about going for a walk？Of course, it can also be said as how about we go for a walk?

Meaning: (used to elicit a new topic or point of view related to the previous content) Then....What do you think; (used to ask someone to explain why)....What's wrong; (used at the beginning of a question to indicate a suggestion or request)....What do you think;

Example: What about going out with me tomorrow?

How about going out with me tomorrow?

Same root phrase:

what about that!Great! That's great.

what about…?How's it going? Right....How.

what are you about?What are you up to?

what do you know about this?Do you think it's weird? I really want to think no.

Know what one is about Everything is handled with ease.

what about it?That's what's going on.

what do you know about that?Do you think it's weird? I really want to think no.

The differences between when and where to do are: different references, different grammars, and different emphases.

First, the reference is different.

1. when: when.

2. where to do: go to **.

Second, the grammar is different.

1. when: The basic meaning of when is "when". It can be used as an interrogative adverb to ask when something has happened or will happen, leading to a special interrogative sentence.

It can also be used as a relational adverb to guide restrictive definite clauses and non-restrictive definite clauses.

and predicative clauses, which indicate "is.".a matter of time".

2. where to do: where can also be used as a relational adverb, meaning "in the past **"; Leads restrictive and non-restrictive definite clauses, which are used after words to indicate a place.

Third, the focus is different.

1. when: is a word.

2. where to do: is a special question phrase.

1. When doing usage.

When the subject of the clause and the subject of the clause are the same or the same person, the predicate verb of the clause is in the form of be verb + doing, and the subject and be verb of the clause can be omitted, that is, when doing sth is used as ......Things to do, such as:

when doing the work,we should be careful.

To put it more completely, when (we are) doing the work, we should be careful

When we work, we have to be careful.

2. When followed by the usage of do:

1) When guiding an adverbial clause, usually the following slag should be followed by a clause, and when it is in the general present tense, use the do verb form. As.

when you do your homework，you should be careful.

When you write your homework, you have to be careful.

2) When leading a question sentence, it is generally present tense.

when do you do your homework？

When do you write your homework?

be willing to do.

For example: he cherishes friendship and is willing to do anything for his friends.

He cherishes friendship and will do anything for his friends.

willing

English] [w l ] American] [w l ].

adj.willing, willing; voluntary, willingly;

The present participle of .

Resolution; With willpower.

Driven; Example sentences].

the military now say they're willing to hold talks with the political parties

The military now says they are willing to negotiate with political parties.

Both. 1. What about to do something?

2. What about doing: equivalent to how about doing, which means how to do it?

aboutEnglish [ ba t]; Beauty [ ba t].

prep.Concerning; Approximately; In ...Zhou Ruqingwei; adv.Approximately; Neighborhood; Everywhere; in the surroundings; adj.Soon; Just; In the popular.

In the meaning "soon......", the latter is usually followed by an infinitive.

Such as about to start. There are also gergerns.

Such as about starting. However, you should not add words that indicate time, such as about starting at once.