the present perfect
noun[S]
uk/ˌprez.ənt ˈpɜː.fekt/us/ˌprez.ənt ˈpɝː.fekt/theformof theverbused foractionsoreventsthat have beencompletedor havehappenedin aperiodoftimeup to now:
现在完成时Thesentences"She hastalkedto herdoctorabout theproblem" and "I have never been toAustralia" are allinthepresentperfect.句子 She has broken her leg 和 I have never been to Australia 用的都是现在完成时。
- 'I haveseenit' is anexampleof thepresentperfect.
- Thesentence'I have told him' is in thepresentperfecttense.
Linguistics: verb forms, tenses & types of verbs
- accusative
- art
- bare infinitive
- bent
- continuous
- infinitive
- non-progressive
- participle
- passive
- passivization
- pluperfect
- present
- present participle
- progressive
- the active voice
- the first person
- the future perfect
- the past continuous
- the present continuous
- the third person
Grammar
Completed or continuing events
We use the present perfect simple with action verbs to emphasise the completion of an event in the recent past. We use the present perfect continuous to talk about ongoing events or activities which started at a time in the past and are still continuing up until now.…Mental process and sense verbs
Some verbs are not used very often in the continuous form.…Present perfect: typical errors
We don’t use since with periods of time:…Past simple or present perfect?
Past simple = I worked Present perfect = I have worked…Present perfect continuous (I have been working)
We use have/has + been + the -ing form of the verb.…Present perfect continuous: form
We use have/has + been + the -ing form of the verb.…Present perfect continuous: uses
We use the present perfect continuous to talk about a finished activity in the recent past. Using the present perfect continuous focuses on the activity.…Present perfect simple (I have worked)
We use have/has + the -ed form of the verb.…Present perfect simple: form
We use have/has + the -ed form of the verb.…Present perfect simple: uses
We use the present perfect simple to refer to events in the past but which connect to the present.…Present perfect simple or present perfect continuous?
We use the present perfect simple with action verbs to emphasise the completion of an event in the recent past. We use the present perfect continuous to talk about ongoing events or activities which started at a time in the past and are still continuing up until now.…