WORKSHEET
Warm-up (activity) Choose the correct modal verb. Tom must tidy his office today because he canno t find anything anymore. (Example) His boss tells Tom that he need not ought to can be tidier. Otherwise he cannot shall must work in his department anymore. When customers want information, he need not should can be able to help them immediately. He need not must not can keep them waiting. If he sorts the files now, he must not cannot need not panic when a customer calls. Instead, he can may should not help them immediately. Presentation (activity) Given the above, replace the modal verb in sentences with the correct alternative form in the past. Tom had to tidy his office last month because he was not able to find anything anymore. (Example) His boss told Tom that he be tidier. Otherwise he ...