Present perfect is formed by combining have/has with the main verb’s past participle form:
I have arrived.
A negation is produced by inserting not after have/has:
I have not arrived.
Questions in present perfect are formulated by starting a sentence with have/has:
Has she arrived?
Past Perfect Tense is a kind of tense that is used to describe an action or an event that started in a certain time in the past and completed or finished till certain time in the past too; or past perfect tense is used to express an action or an event that had happened before the other event or action happened
The pattern :
(+) Subject + had+verb III+cmplement
(-) Subject + had not+ver III+complement
(?) Had + subject +verb III+complement
(+) We had eaten before they came
(-) They had not eaten before we came
(?) Had they eaten before we came?
0 komentar:
Posting Komentar