Should, ought to

Present Should (not), ought (not) to	Future Should (not), ought (not) to	Past
Should (general advice) следует, должен
You should try again. Why should I go there?
Ought to (moral obligation, laws, rules) следует, должен
You ought to tell your parents the truth. You ought to keep to the speed limit.
Probability
It’s 10 o’clock. He should/ought to be at work. It shouldn’t be difficult to get there.

Ex. 7. Analyze the following sentences and translate them into Russian.

1. You shouldn’t miss lectures and seminars if you want to pass the exams. 2. If you want to know mathematics you should work hard at it. 3. Doctor, what should I do? 4. You ought to go further with this investigation. 5. Ought you to tell everybody what has happened? 6. You ought not to participate in their useless argument. 7. You should switch off your mobile in class. 8. They ought to ban smoking in public places.

Pre-Reading Activity

Guess the meaning of the following words.

Decimal [`desIm(q)l] adj, combination [,kOmbI`neISqn] n, positive [`pozItIv] adj, negative [`negqtIv] adj, symbol [`sImbql] n, plus [plAs] n, minus [`maInqs] n, indicate [`IndIkeIt] v, sum [sAm] n, product [`prodqct] n, numeration [,nju:mq`reISqn] n, base [beIs] n, arithmetic [q`rITmqtIk] n, system [`sIstIm] n, represent [,reprI`zent] v