relative pronoun

goldfish "I have a friend who teaches English"..."I have a friend teaching English"

Both of those sentences are OK.

pls answer me in advanced level,It has become a challenge for me,in difining relative clauses, Is it opssible to omit the relative rpronoun when it is the subject of relative clause? in the santence"i have a friend who teaches english" can we omit "who" and change the verb to continuous form"i have a friend teaching english" and what about sentences in other tences like

goldfishIs it possible to omit the relative rpronoun when it is the subject of relative clause?

Only when ( a) the clause is non-defining and ( b) there is a helping verb "be" and (optionally) a participle (present / past) in the relative clause's verb phrase.

The lady (who is) walking towards us is my English teacher.
The building (that wa

thnks alot.however, my teacher told me that in the sentense" i have a friend who teaches english" who is omissible by changing the following verb to present participle:"i have a friend teaching english". according to your explanation this change is not possible here because the relative clause does not contain a present or past participle and the auxiliary verb "to be".
Am I rhight

I have a friend who teaches English

When you post questions, please use your best English. It is good practice.

I have a friend who teaches English.
You cannot omit "who."
X I have a friend teaches English.

If you have the sentence below, which is not the same sentence as the one

so based on your explanation i was right because i believed that it is not ommisible since it is not followed by a to be verb.

Please don't post the same question in two different forums, goldfish. It wastes the time of people who answer it in one forum only to discover that it has already beeen satisfactorily answered in another.

fivejedjonPlease don't post the same question in two different forums, goldfish. It wastes the time of people who answer it in one forum only to discover that it has already beeen satisfactorily answered in another.

I think that goldfish has been warned of this before. Please let me know if you notice it again, and we'll have to put goldfish on moderation.

fivejedjonPlease don't post the same question in two different forums, goldfish. It wastes the time of people who answer it in one forum only to discover that it has already beeen satisfactorily answered in another.

I think you may be missing something here. Some of us only post on this forum, so people who ask their questions only on other forums will