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What is the difference in structure between past simple and present perfect?
Wiki User
∙ 15y ago
* subject + verb + -ed I listened to the radio lat night.
We enjoyed our time at the park last weekend.
* If the verb ends in "e", just add -d. like liked
smile smiled
* If the verb end in "y" preceded by a consonant, replace the "y" with "i" and add -ed. study studied
carry carried
* If the verb end in a consonant (,but not "y" or "w") preceded by a vowel and the stress falls on the last syllable, double the last consonant. omit omitted
stop stopped
clap clapped
but
listen listened
open opened
play played
* There are many other verbs which are irregular. go went
I went to the zoo yesterday.
* To form a negative sentence: subject + did not (didn't)+ verb
We didn't go to London last summer.
* To form questions: Did + subject + verb?
Did you read his e-mail?
No, I didn't. / Yes, I did.
I / You / We / They / plural noun + have + past participle
He / She/ It / singular noun + has + past participle
* The past participle of regular verbs is formed following the same rules used to form the past. I have never playedtennis.
She has never carried a purse.
* There are many verbs which are irregular. go gone
Tom has gone to work.
* To form negative sentences: subject + have / has + not + past participle
have not = haven't
has not = hasn't
I haven't seen him for a long time.
* To form questions: Have / Has + subject + past participle?
Have you been to London?
Yes, I have. / No, I havn't.
Wiki User
∙ 15y ago
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what is the difference between present and past perfect? Write the grammatical structure
Difference between past perfect continuous present perfect continuous and future perfect continuous tense?
The past perfect continuous tense talks about long actions in the past before another action in the past. It follows this structure: Subject + Had + Been + Present Participle. For example: I had been practicing. The present perfect continuous tense talks about an action that has stopped or an action that is continuing up until now. It follows this structure: Subject + Have/Has + Been + Present Participle. For example: I have been practicing. The future perfect continuous tense talks about a long action before a point in the future. It follows this structure: Subject + Will + Have + Been + Present Participle. For example: I will have been practicing.
What is the difference between present perfect andpast perfect tense?
The difference in meaning is that the action stated by a present perfect tense may have been completed in the last second of time before the present, while the past perfect implies completion at a substantially earlier time. The formal difference is that the present perfect is formed from the present tense of "have", used as an auxiliary verb, combined with the past participle of the principal verb. For the past perfect tense, the past tense of "have" as the auxiliary verb is combined with the past participle of the principal verb.
What is the difference between present perfect progressive and present perfect continuous?
Present perfect progressive and present perfect continuous refer to the same tense and are often used interchangeably. Both tenses indicate an action that started in the past and is ongoing or has just been completed. The choice between "progressive" and "continuous" is mainly a matter of dialect or personal preference.
Can somebody tell me the difference between Present Perfect and Present Perfect Continuous please?
Present Perfect is a form that will use the verb ''to have" + past participle of the main verb. e.g I have walked.Present Perfect Continuous is a form that will use the verb ''to have'' + to be (past participle) +verb + ing. e.g I have been walking.
What is formula Present perfect tense?
The present perfect tense follows this structure: Subject + have/has + past participle. For example: I have watched. She has watched.
What is the difference between has been and was been?
"Has been" is present perfect tense, indicating an action that started in the past and continues into the present. "Was been" is not a correct verb phrase in English.
What is the difference between past perfect present perfect and future perfect tenses?
The present perfect is for actions completed in the present: I have answered this question. The past perfect, or pluperfect is for actions completed in the past. I had answered this question by the time you arrived. The future perfect is for action completed in the future: I will have answered this question by the time you arrive.
How do you express the present perfect and past perfect tense of a verb?
The present perfect tense.This is used to express experience, change and a continuing situation. It follows this structure: Subject + have/has + past participle.Past Perfect TenseThis is used to express an action in the past before another action in the past. It follows this structure: Subject + Had + Past Participle.
Is the phrase has been working past perfect tense?
Yes, the phrase "has been working" is an example of the present perfect continuous tense. It indicates an action that started in the past, continues into the present, and may still be ongoing.
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