· Present Perfect Tense.
Present tense is tense that used to describe an action,or activity what happen in the indefinite time in the pastand at time talk or its activity already finish did.
1. Verbal sentence.
a. Positive Sentence.
Pattern : S+have/has+V3+O+K
Example: I have written a poem for half hour.
b. Negative Sentence.
Pattern : S+have/has not+V3+O+K
Example : I haven’t written a poem for half hour.
c. Interrogative Sentence.
Pattern : Have/has+
Example : Have I written a poem for half hour.
2. Time Signal.
Time signal are usually used in the present perfect tense are :
a. Since e. For a year
b. Since Yesterday. f. Already
c. For g.Yet.
d. Just(before V3) h. Never
· Past Perfect Continous Tense.
Past perfect tense is tense used ti explain an action already finish in the past or explain an situation or happened already happen. General, more result situation or happened what first happen.
1. Verbal Sentence.
a. Positive sentence.
Pattern : S+had+V3+O+K
Example : I had slept when she came last night.
b. Negative sentence.
Pattern : S+ had not+V3+O+K
Example : I hadn’t slept when she came last night.
c. Interrogative sentence.
Pattern : Had+
Example : Had I slept when she came last night?.
2. Time signal.
Time signal are usually used are when,after,and before.
· Future Perfect Tense.
Future perfect tense is tense what used to describe an action,happened,or situation already finish did at indefinite time in the future.
1. Verbal Sentence.
a. Positive Sentence.
Pattern : S+will/shall+have/has+V3+O+K
Example : I shall have finished my work tomorrow night.
b. Negative Sentence.
Pattern : S+will/shall not+have/has+V3+O+K
Example : I shall haven’t finished my work tomorrow night.
c. Interrogative sentence.
Pattern : Shall/will+S+have/has+V3+O+K?
Example : Shall I have finished my work tomorrow night?
2. Time Signal.
Time signal are usually used in the future perfect tense are :
· By.
· By four p.m today.
· Next.
· To night.
· Tomorrow.
· This Evening.
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