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English Grammar Drills

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124 Verb Phrases<br />

5. occur<br />

6. hope<br />

7. permit<br />

8. stay<br />

9. apply<br />

10. flow<br />

11. slip<br />

12. delay<br />

13. star<br />

14. enjoy<br />

15. dry<br />

Irregular past tenses<br />

The irregular verbs preserve older ways of forming the past tense. In earlier forms of <strong>English</strong>, the<br />

irregular verbs fell into well-defined patterns. By modern times, however, the historical patterns<br />

had collapsed together so that today it is not practical to learn irregular verbs according to their<br />

historical patterns.<br />

Infinitive<br />

The infinitive is completely regular (even for the verb be). The infinitive consists of to followed by<br />

the base form of the verb. Here are some examples:<br />

Base form<br />

be<br />

do<br />

go<br />

have<br />

sing<br />

talk<br />

Infinitive<br />

to be<br />

to do<br />

to go<br />

to have<br />

to sing<br />

to talk

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