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MODAL VERBS Put the modal verbs into the tenses. Present simple: They must work harder. Past simple: They _____ work harder. Present perfect simple: They _____ work harder. Will-Future: They _____ work harder. Present simple: We can help you in the garden. Past simple: We _____ help you in the garden. Present perfect simple: We _____ help you in the garden. Will-Future: We _____ help you in the garden. Present simple: He may invite friends. Past simple: He _____ invite friends. Present perfect simple: He _____ invite friends. Will-Future: He _____ invite friends. |