We use will (‘ll), won’t (will not), might (not) and may (not) to make predictions • Prediction: what we whink abou the future. • “Will – might – may” are modal verbs. They are used with bare infinitive. (infinitive without “to”) -People will retire later in the future. -We’ll live longer in the future because there’ll be better medicine. -There won’t be many serious illnesses. -They won’t have big families. -We might use the Internet for a lot more things. -We might find a cure for cancer. -It may not be good for business.
We often use “I think / I don’t think “ to introduce a prediction. -I think there’ll be problems with pensions in the future. -I don’t think the government will have the money for pensions. -I think the exam will be difficult. -I don’t think money will become obsolete. -I don’t think it will rain tomorrow.
ADVERBS OF CERTAINTY • We often use adverbs with “will / won’t” for predictions to say how certain we are. • Definetely and certainly: they mean we are very certain about the future. • Probably and possibly: they mean we are less certain. • Affirmative sentences: will + adverb -We’ll probably use a biological fuel. -People will certainly have smaller families in the future. • Negative sentences: adverb + won’t -We definetely won’t use petrol in the future. -People probably won’t live in big houses.