Business English: A Practice Book

by Rose Buhlig

I have written	We have written
You have written	You have written
He has written	They have written

The progressive form is,

I have been writing	We have been writing
You have been writing	You have been writing
He has been writing	They have been writing

The past perfect denotes that the action was completed in past time. It is formed by using the past tense of have and the perfect participle of the verb; as,

I had written	We had written
You had written	You had written
He had written	They had written

The progressive form is,

I had been writing	We had been writing
You had been writing	You had been writing
He had been writing	They had been writing

The future perfect tense denotes that the action will be completed at some future time. It is formed by the future of have and the perfect participle of the verb; as,

I shall have written	We shall have written
You will have written	You will have written
He will have written	They will have written