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Negative prefixes

English 16 Public

Gateway B1 Unit 3 p.35

Study Slideshow

regular

irregular

15

visible

invisible

15

possible

impossible

15

happy

unhappy

15

legal

illegal

15

correct

incorrect

15

usual

unusual

15

formal

informal

15

friendly

unfriendly

20

polite

impolite

20

attractive

unattractive

20

healthy

unhealthy

20

known

unknown

20

tidy

untidy

20

dependent

independent

15

direct

indirect

15