The present perfect simple tense, or present perfect, is used to describe completed past actions and experiences that have an influence on or connection to the present. However, exact time of the action is not important when it comes to using present perfect.
As this tense is a tricky one, here are some of the typical signal words that will help you recognize preset perfect simple: ever, already, just, not yet,
for, since, so far.
Conjugation
Rule 1: To conjugate the present perfect tense, we use the present form of the auxiliary verb have and the past participle of the main verb.
Here is an overview of the conjugation in positive, negative and interrogative sentences for both regular and irregular verbs:
| Person | Positive | Negative | Question |
|---|---|---|---|
| I / you / we / they | I have walked / driven | You have not walked / driven | Have they walked / driven? |
| he / she / it | He has walked / driven | She has not walked / driven | Has it walked / driven? |
Note: In spoken and informal written English, we can use contractions in the present perfect tense using the auxiliary verb have:
| Long Form | Short Form | Example |
|---|---|---|
| have / have not | 've / 've not; haven't | they've / they've not; they haven't |
| has / has not | 's / 's not; hasn't | he's / he's not; he hasn't |
Usage
Rule 2: We can use the present perfect tense to describe completed actions that have an influence on the present, usually without a specific time marker.
Rule 3: We can use the present perfect tense to describe past experiences with the signal words ever and never.
Rule 4: We can use the present perfect tense to describe recently completed actions, usually with the signal word just.
Rule 5: We can use the present perfect tense to describe actions that did or did not happen up to the moment of speaking, using signal words already and yet.
Rule 6: We can use the present perfect tense to describe how often or how many times something happened up to now.
Rule 7: We can use the present perfect tense to describe situations that began in the past and continue up to the present, using signal words for and since.
Quiz
1/4Complete the sentence. I ___ just read the news.