My first note.

I write english is not very well, but I like to learn english.

Sorry, the last sentence

They have been well.

Forget that one. I accidently wrote it wrong.

'They have been well' must be written 'They have been good.'

Sorry I hit sen before I was finished. ha ha

is                               The food is good.
am                             I am good.
are                             The children are good.
was                            The movie was good.

were                           Those cheeseburgers were good.
be                              Please be good.
being                          The boy was being good.
been                           They have always been good.

Are linking verbs. You would use 'good' right after these.

Here I will change the sentences to action verbs. If the verb is only an action verb, than you use 'well.'

The food was prepared well.

I am feeling well.

They are dancing well.

The acting in the movie was done well.

The cheeseburgers were cooked well.

Please get well.

They have been well.

See how the action verb is followed by 'well'?

I do not write English very well.                   Full verb

My written English is not good.                     Full linking verb

I hope this is not confusing. I am actually a history teacher. ha ha

My first note.

I write english is not very well, but I like to learn english

The correct way is:

I do not write English very well.

In English we use 'well.' You would only use 'good' if the verb in the sentence is a linking verb.

My written English is not good.

Words like:

is                               The food is good.
am                             I am good.
are                             The children are good.
was                            The movie was

were                           Those cheeseburgers were good.
be
being
been

Are linking verbs. You would use 'good' with these.

My written English is not very good, but I like learning English.