1How should a sick person be isolated?
2What should the isolation room be like?
3How can you protect yourself if you and the sick person are in the same room?
4When should the surfaces be cleaned?
5What are the serious symptoms of Covid-19?
6What three things should be done if somebody is sick in your household?
7Who has prepared the brochure?
8Communicate the five safety measures of Covid-19 to your friend.
9Why aren't visitors allowed to go close to and touch the animals?
10When can you feed the Zoo animals?
11Why should the children be supervised at all times?
12Which rule do you like or dislike the most? Why?
13Complete the sentences with can, can't, must, mustn't, have to or don't have to: the bicycle sign, the chemist, the staff car park, baggage, being late, the birthday call, the bank, hitting a friend, remembering everything, the vegetarian hotel, and the 25 minute bike stand.
14Complete the dialogues using can, could, might or must with the verbs given: the neighbours (be), the weather (rain), Manshu (go), and John's party (go).
15Dinesh has to do many things today. Look at his to-do list and say what he has to do.
16Here are some rules for school students. Complete the sentences with appropriate words, using negative forms where needed.
17Prepare a set of at least six rules to be followed by students when they visit the school library or computer lab.
18Prepare a one-page leaflet on 'How to stay safe from Covid-19?' for the juniors.
19Why did the Dean give the second question?
20What would be the answer to the second question?
21Were the students lying to the Dean?
22List the auxiliary verbs grouped in pairs in the unit's opening song.
23What is the difference between mustn't and don't have to?
24What are two-word verbs like 'should wear', and where do you hear them in the listening task?
25How do you decide between must and have to when writing a rule?