The document discusses the present perfect simple tense in English. It explains that the present perfect tense is used to talk about actions that happened at an unspecified time before now. It lists common time expressions used with the present perfect tense, such as ever, just, already. It then describes the basic form of the present perfect tense, which is subject + have/has + past participle verb. Finally, it notes an exception for irregular verbs, which take their irregular past form in the present perfect tense.
3. PRESENT PERFECT USES
•We use the Present Perfect to say that an
action happened at an unspecified time before
now
•Time expressions: ever, just, already, never
yet, for, since
4. PRESENT PERFECT FORM
S + HAVE/HAS + V + C
V(-ed) or 3rd form
S + HAVEN’T/HASN’T + V + C
V-ed or 3rd form
?
Have/has + S + V + C ?
V-ed or 3rd form
5. PRESENT PERFECT EXCEPTION
• You use the irreguliers verbs (3rd form) and –
ed in affirmative, interrogative and negative
