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The Wonders of Nature
2.0 Form of modal verbs.
1. There is no “s” in singular
He can ski. (right)
He cans ski or He can skis. (wrong)
2. There is no “do / does” in the question.
Would you like to come with me? (right)
Do you would like to come with me? (wrong)
3. There is no “don’t / doesn’t” in the negative.
They can’t be serious. (right)
They don’t can be serious. (wrong)
4. Modal verbs do not have infinitives or –ing forms
Must (right)
