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Irregular Verbs. What are they? The way a verb forms its past tense determines its classification as regular or irregular. A regular verb takes the –d.

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Presentation on theme: "Irregular Verbs. What are they? The way a verb forms its past tense determines its classification as regular or irregular. A regular verb takes the –d."— Presentation transcript:

1 Irregular Verbs

2 What are they? The way a verb forms its past tense determines its classification as regular or irregular. A regular verb takes the –d or –ed ending to denote the past tense.

3 Irregular verbs do not take the –d or –ed ending. They are inflected in various other ways to indicate past tense.

4 Examples Regular believe → believed smile → smiled Irregular run → ran eat → ate

5 An irregular verb forms its past and past participle by  changing vowels ( run- ran ) or consonants ( build– built)  or by changing vowels and consonants ( catch – caught )  or by making no changes ( burst, cost )

6 Principal Parts of Verbs Every verb has four basic parts, which are called its principal parts. You must know all of these in order to form the different tenses correctly. Present (aka Infinitive) Past Present Participle Past Participle ***

7 Present (aka Infinitive) existing or happening now knowto know taketo take writeto write

8 Past existed or happened in the past knew took wrote

9 Present Participle The present participle of a verb always ends in –ing. knowing taking writing

10 Past Participle The past participle of a verb always requires a helping verb (have, has, had). had known have taken has written

11 Practice Present Past Past Participle begin1._________ (has) begun freeze 2. _________ (has) frozen write wrote 3. _________ blow 4. _________ (has) blown drive drove 5. _________ wear wore 6. _________ sing 7. _________ (has) sung ride 8. _________ (has) ridden

12 Practice Present Past Past Participle choose chose 9. _________ go 10. _________ (has) gone run 11. _________ (has) run throw threw 12. ________ come came 13. ________ see saw 14. ________ speak 15. _________ (has) spoken burst 16. _________ (has) burst

13 Practice Present Past Past Participle swim swam 17. (has)_____ sink sank 18. (has) _____ break 19. ______ (has) broken bring 20. ______ (has) brought

14 Practice Present Past Past Participle begin1. began (has) begun freeze 2. froze (has) frozen write wrote 3. (has) written blow 4. blew (has) blown drive drove 5. (has) driven wear wore 6. (has) worn sing 7. sang (has) sung ride 8. rode (has) ridden

15 Practice Present Past Past Participle choose chose 9. (has)chosen go 10. went (has) gone run 11. ran (has) run throw threw 12. (has) thrown come came 13. (has) come see saw 14. (has) seen speak 15. spoke (has) spoken burst 16. burst (has) burst

16 Practice Present Past Past Participle swim swam 17. (has)swum sink sank 18. (has) sunk break 19. broke (has) broken bring 20. brought (has) brought


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