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(1) I have a friend who is able to speak English.

(2) I have a friend being able to speak English.

(3) I have a friend who had gone to Tokyo.

(4) I have a friend having gone to Tokyo.

(5) I have a friend who was visiting Tokyo at that time.

(6) I have a friend having been visiting Tokyo at that time.

(7) I have a car made in America.

(8) I have an American car.

By the way, When is "relative pronounce" not equal to "partical" ?

Please teach me. Thank you. Hideko from Japan
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(1) I have a friend who is able to speak English. -- OK

I have a friend who can speak English. -- OK (usual conversational form)

(2) I have a friend being able to speak English.

(3) I have a friend who had gone to Tokyo.

(4) I have a friend having gone to Tokyo.

I have a friend who has gone to Tokyo. -- OK

(5) I have a friend who was visiting Tokyo at that time. -- OK

(6) I have a friend having been visiting Tokyo at that time.

(7) I have a car made in America. -- (borderline)

I have a car that was made in America. -- OK

(8) I have an American car. -- OK (usual conversational form)
Comments  
AnonymousBy the way, When is "relative pronounce" not equal to "partical" ?
Sorry, I don't understand what you are asking.