Present Perfect Simple – Present Perfect Progressive

irregular verbs: form of 'have' + 3rd column of irregular verbs

Example:

I / you / we / they have spoken

he / she / it has spoken

regular verbs: form of 'have' + infinitive + ed

Example:

I / you / we / they have worked

he / she / it has worked

form of 'have' + been + verb + ing
 

Example:

I / you / we / they have been speaking

he / she / it has been speaking

• when the final letter is e,...