"Would have" is generally a present conditional, but also an imperfect describing habit or routine. For example: If I had known you were coming I would have baked a cake; She worked six days a week, but on a Thursday she would have been home.
NEVER use "would have" in the protasis (if-clause) of a condition!
A local community college or university would have English grammar classes. If these are not available, there are grammar lessons available on the Learn English website.
"He does not", or, "he doesn't speak English" would be correct. It would never be 'he do not speak English,' as that is incorrect grammar.
To answer this question would take a lot of writing. The best thing for you to do is get hold of an English grammar book and read about will and would. Something like: 'An A-Z of English Grammar and Usage' by Geoffrey Leech.
English grammar is more difficult to learn then rushian grammar?
where are you been now
William Fewsmith has written: 'A grammar of the English language' -- subject(s): Grammar, English language 'A grammar of the English language' -- subject(s): Grammar, English language
Sidney Greenbaum has written: 'The Oxford English grammar' -- subject(s): Grammar, English language 'Verb-intensifier collocations in English' -- subject(s): Adverb, English language, Mathematical linguistics, Syntax, Verb 'A student's grammar of the English language' -- subject(s): Grammar, English language 'The Oxford Reference Grammar'
English Grammar In Use was created in 1985.
The Rudiments of English Grammar was created in 1761.
English Grammar School was created in 1994.
Sergio Adorni has written: 'English grammar for students of Italian' -- subject(s): Italian, Comparative Grammar, English language, Italian language, English 'English grammar for students of Italian' -- subject(s): Comparative Grammar, English, English language, Grammar, Italian, Italian language
You use English grammar to form sentences and communicate using the English language.