Catégories : Tous - continuous - verbs

par juani hernandez Il y a 11 années

2239

Present Perfect Simple vs Present Perfect Continuous

The present perfect tense of regular and irregular verbs is formed using "have" plus the past participle. For regular verbs, this means adding -ed to the base form, while irregular verbs use unique past participle forms.

Present Perfect Simple vs Present Perfect Continuous

Present Perfect Continuous

have+been+verb-ing

Exceptions when adding -ing
final "ie" becomes "y"

lie-->lying

After a short, stressed vowel, the final consonant is doubled

sit--->sitting

Have I been waiting for you?
I have not been waiting for you
I have been waiting for you

Present Perfect Simple

regular verbs

Have they worked?
They have not worked
They have worked
have+infinitive+-ed

irregular verbs

Have they spoken?
They have not spoken
They have spoken
have+ participle form