Simple Past vs. Present Perfect Simple - English Grammar
www.ego4u.com › en › cram-upSimple Past Present Perfect Simple; irregular verbs: see 2nd column of irregular verbs. Example: I spoke: irregular verbs: form of 'have' + 3rd column of irregular verbs. Example: I / you / we / they have spoken he / she / it has spoken: regular verbs: infinitive + ed. Example: I worked: regular verbs: form of 'have' + infinitive + ed. Example: