Present Perfect Simple vs Present Perfect Continuous

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simple past_regular and irregular verds

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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