how to use helping verbs?

[Gordhan Sharma]

i am facing a problem of helping verb using.
please guide me how to use helping verb?

[Mohammadhelmi]

You should specify your question in helping verbs.
I am facing a problem of using helping verbs instead of iam facing a problem of helping verb using.

[5jj]

Welcome to the forum, Gordhan. Which particular verbs are causing problems?

[Gordhan Sharma]

in which condition use of helping verb has/have?

[Gordhan Sharma]

Welcome to the forum, Gordhan. Which particular verbs are causing problems?

HI
probles in using of helping verbs

[Barb_D]

Hello Gordhan Sharma,
Have you learned about the present perfect yet?

For example:

I ate at that restaurant last week.
I have eaten at that restaurant many times.

This link may help you: http://owl.english.purdue.edu/owl/resource/601/01/

[5jj]

HAVE is used in the formation of the perfect aspects:

I have lived in Prague for 14 years. - Present perfect.
Have you ever been to China?

Mary had left when I arrived. - Past perfect.

George has been playing with the children all afternoon. - Present perfect progressive.