*I never been have a good English.
And I don't believe the Op wants to say: "I have never been good at English"
Instead, if I'm not mistaken, the op wishes to say:
My English has never been good
My English never has been good
There's something about "a good English" that tells me the OP is talking about the level of his or her English. In Italian it is correct to say: "Ha un buon inglese"( *that person has a good English), but in order to be grammatical and sound idiomatic, we have to say: "His (or her) English is good."
To change that sentence into the present perfect we must say: "So far his English has been good."
In the present perfect, the negative adverb, never, is usually between the auxiliary— has —and the main verb in the past participle, in this case; been.
My grammar books indicate that this is the correct word order.
Present perfect with ever, never, already, yet
'Never' means at no time before now, and is the same as not ..... ever:
I have never visited Berlin
Englishpage.com
You can use the Present Perfect to describe your experience. It is
like saying, "I have the experience of..." You can also use this tense
to say that you have never had a certain experience. The Present Perfect is NOT used to describe a specific event.
He has never traveled by train.
However, I am aware that never can also precede the auxiliary and the main verb.
To prove this, Google books reports 18,100,000 results for never has been, whereas a mighty 186,000,000 results are produced for has never been construction.
You are correct that the first three sentences are grammatically valid.
You are correct that the fourth sentence is incorrect. As @Sander states, the copular verbs glue the rest of the sentences together, all but that final them. This leaves the them referring to something that isn't actually there, and thus is said to be dangling.
With respect to which roll naturally off of the tongue, you're correct that both #1 and #3 do; I've heard both forms in casual conversation.
Best Answer
There is no rule against the word order in your second sentence. You of course can say
This word order makes the sentence sound a little old-fashioned and formal in register.