UNIT 9C: Past Simple or Present Perfect?

Hello everybody!

Clink on the link below and find a detailed explanation + activities to practise!

http://www.ego4u.com/en/cram-up/grammar/simpas-preper

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Simple Past – Present Perfect Simple

Form

Simple 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: I / you / we / they have worked he / she / it has worked

UNIT 9B: Present Perfect with FOR or SINCE

Hi there!

Click on the link below and read a clear explanation on the usage of FOR and SINCE in Present Perfect. 

There are some interesting activities to practise at the end of the page!

http://www.eclecticenglish.com/grammar/PresentPerfect1D.html

Eclectic English Home Page

Present Perfect Tense - For and Since :: Grammar File & Practice exercise

Created by: Nikita Kovalyov Updated: April 2004          [ Present Perfect Tense - When to use ] [ Present Perfect Tense - How to form ] [ Present Perfect Tense - Already and Yet ] [ Present Perfect Tense - For and Since ] [ Present Perfect and Past Simple tenses ]