Unit 4 B Grammar activity（课件）英语沪教版选择性必修第三册

B Grammar activity Unit 4：Words 上教版 选必三 1 Objectives Objectives Use modal verbs referring to the past correctly in the given context 2 Modal verbs referring to the past Some modal verbs can be used for talking about the past. At the age of five, he could already play the piano. 3 Reading Read the three stories. Study modal verbs 1-7 in the stories and answer the questions. 4 Rewrite the sentences using the words in brackets. (1) In my first job, it was important for everyone to be an expert on the different schools of Chinese philosophy, such as Confucianism. (had) ____________________________________________________________________________________________ (2) It is not necessary for children in kindergarten to start learning foreign languages. (needn't) ____________________________________________________________________________________________ 5 Rewrite the sentences using the words in brackets. (3) The people demanded that those who murdered innocent civilians during the war must be punished. (ought to) ____________________________________________________________________________________________ (4) The scientists found it necessary to investigate the damage to muscle fibre with a powerful microscope. (need) ____________________________________________________________________________________________ 6 Rewrite the sentences using the words in brackets. (5) My mother told me, *It's unnecessary for you to post the parcel to me, because I will see you next week." (needn't) ____________________________________________________________________________________________ (6) The report from the inspection was based on sublective opinions rather than oblective facts, which was a mistake. (should) ____________________________________________________________________________________________ 7 Think of three things that you did in the past, but you didn't actually need to do. Write down your answers on the lines, using suitable past modals. You may use the example below