Question

Подчеркните в каждом предложении модальный глагол и его эквивалент 1) At the exhibition we could see the latest track-laying machine 2) The sleepers for high-speed railways have to be made of concrete 3) Some trains are to make stops at all railway stations 4) They will be able to create the necessary conditions in the laboratory

Answer 1

1. could
2. have to
3. are to
4. will be able

Answer 2

1) At the exhibition we could see the latest track-laying machine. - "could" (modal verb) - expresses ability or possibility. 2) The sleepers for high-speed railways have to be made of concrete. - "have to" (modal verb) - expresses necessity or obligation. 3) Some trains are to make stops at all railway stations. - "are to" (modal verb) - expresses future intention or plan. 4) They will be able to create the necessary conditions in the laboratory. - "will be able to" (modal verb) - expresses ability or possibility.