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Fill in the blanks with primary auxiliary verbs.
Rewrite the following sentences first as negative sentences and then as questions.
Fill in the blanks with appropriate semi-modals.
| be able to, needn't, would rather, was about to, ought to |
Fill in the blanks with modals.
Make affirmative or negative sentences with if... would/could (+have) following the example below.
Pick out the linking verbs and their complements in the given sentences.