English Grammar, Idioms, Prefixes, and Telephone Phrases
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English Grammar Essentials
Modal Verbs:
- Necessity: have to, must, need to.
- Prohibition: mustn’t, not be allowed to, can’t.
- Lack of Necessity: don’t have to, don’t need to.
- Permission: can, be allowed to.
Questions: Must you? Can you? Do you have to? Are you allowed?
Rules are things you have to do and you mustn’t do. Conventions are things you don’t have to do, but are advisable and expected.
Colour Idioms
- In the red (owes money)
- See red (is angry)
- White goods (appliances)
- Out of the blue (unexpected)
- Blue sky thinking (new and good ideas)
- Green light (start something)
- Black Monday (market crash)
- In the black (has more than it owes)
- Grey area (a situation that is not clear)
Common Prefixes
Negative Prefixes
- un-: unusual, unhappy, unlucky, unknown,