I. Choose the correct form of the verbs in brackets. Economics (attempt, attempts) to find laws or principles. Economists (build, builds) models. The predictions of the models (form, forms) the basic of economic theories. The figure (show, shows) the interrelation between models, theories and reality. Economists (make, makes) assumptions and predictions. (Do, Does) they deduce implications? (Do, Does) they test predictions? Real facts often (contradict, contradicts) the theory.
1) economics attempts
2)economists build
3)predictions form
4) figure shows
5)economists make
6)Do they..?
7)Do they..?
8)contradict
Главное помнить какое число имеет то или иное существительное)