Present Perfect Continuous Tense

Uses of Present Perfect Continuous Tense


USE 1: Duration of time from Past to Present (only action verbs/coninuous verbs).

We use since and for to explain the duration of time.
SINCE is used to mention the starting point of time of an action that statrted in past and continued uptill now. such as since 9'O Clock, since tuesday etc.
For describes the period of time from past to present. For two years, for two months, for seven hours etc.

I have been studying since 7'O clock.
Doctors have been attending seminar for two days.


NOTE: Some times the duration of time can be replaced with 'lately' or 'recently'.

I have been studying lately.
Recently, i have been reading Shakespears.

 Structure of Present Perfect Continuous Tense

NOTE: The structure of present perfect continuse tense is shown by its name. This tense is the combination of 'present forms of verbs', 'perfect forms of verbs', and 'continuous forms of verbs'.
Present forms of verbs implies that all first forms of verb.
Perfect Forms of Verbs are made by joining HELPING VERB (have/has) + 3rd form of verb.
Continuous forms of verbs Implies that all action verbs.

THEREFORE

Perfect forms of verb Present Continuous forms of Verb
Have/Has + Been(3rd from of verb) first form of action verb + ing

Singular subject He, She, It, Any Name

Nature of Sentence Structure of tense with example.
Positive S + Has been + Present Participle + O + Since/For + Time.
Negative S + Has + not + been + Present Participle + O + Since/For + Time.
Interogative Has + S + been + Present Participle + O + Since/For + Time.
Interogative negative Has + S + not + been + Present Participle + O + Since/For + Time.


Plural Subject: We, They, AND especial case of Singular subject, I, You

Nature of Sentence Structure of tense with example.
Positive S + Have been + Present Participle + O + Since/For + Time.
Negative S + Have + not + been + Present Participle + O + Since/For + Time.
Interogative Have + S + been + Present Participle + O + Since/For + Time.
Interogative negative Have + S + not + been + Present Participle + O + Since/For + Time.

Back