Essential English Grammar Topics
Classified in Spanish
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Modal Verbs for Speculation
When you are sure something is true:
- Ex: He must be rich. He drives a Ferrari.
- He hasn't come to class. He must have fallen asleep.
- He must be sleeping.
When you are not sure something is true (50-50):
- Ex: He hasn't come to class. He might/may/could be ill.
- He hasn't passed the exam. He may/might not have studied very much (do not use 'could' in negatives).
When you are sure something is not true:
- Ex: He can't be Spanish. He only speaks English.
- He got a 0 in the exam. He can't/couldn't have studied very much.
'Should' for Expectations:
- Ex: The classes aren't complicated this year. The exam SHOULD BE quite easy.
Inversion
- Not only is my brother lazy, but he's also very selfish.
- Not until you can behave like an adult will we treat