PERFECT TENSE

Present Perfect Tense is a tenses that used to declare an act that occur at the unsfecified time or undefinite time in the past. 

 1.       Verbal sentences

(+) I, we, you, they : S + have + V3

      He, she, it : S + has + V3

(-) I, we, you, they : S + have + not + V3

     He, she, it : S + has + not + V3

(?) I, we, you, they : Have + S + V3 ?

    He, she, it : Has + S + V3 ?

Example:

(+) We have eaten our breakfast

                (-) We have not eaten our breakfast

                (?) Have we eaten our breakfast?

2.       Nominal Sentences

(+) S + have/has + been +non verb

(-) S + have/has + not + been + non verb

(?) have/has + S + non verb ?

Note:

Subject I, we, you, they : have

Subject he, she, it : has

Past Perfect Tense is a form of time used to describe an act that has been done in done in the past

In general, more stressed at the act that comes first.

          1. Verbal Sentences

(+) S + had + V3

(-) S + had + not + V3

(?) Had + S + V3 ?

 2. Nominal Sentences

(+) S + had + been + Non verb

(-) S + had + not + Non verb

(?) had + S + been + Non verb

Time Signal ….

When..

Before..

After..

Until.. etc