I. Put the modal verb into Past .
1) These properties can make steel useful.
2) They must apply new methods.
3) We may work in the work-shop.
II. Put the modal verb into Future.
1) You can design new machine-tools.
2) Students must use their knowledge.
3) Our group may use the new machine-tool.
III. Translate into English the following sentences.
1) Мы можем охладить сталь быстро.
2) Ученые должны использовать новые технологии.
3) Разработчики инструментов могут( им разрешено) сделать чертежи.
1) These properties can make steel useful.
2) They must apply new methods.
3) We may work in the work-shop.
II. Put the modal verb into Future.
1) You can design new machine-tools.
2) Students must use their knowledge.
3) Our group may use the new machine-tool.
III. Translate into English the following sentences.
1) Мы можем охладить сталь быстро.
2) Ученые должны использовать новые технологии.
3) Разработчики инструментов могут( им разрешено) сделать чертежи.
Answers & Comments
Ответ:
Первая часть:
1) These properties could have made steel useful.
2) They must have applied new methods.
3) We may have worked in the work-shop.
Вторая часть:
1) You will be able to design new machine-tools.
2) Students will have to use their knowledge.
3) Our group may use the new machine-tool.
Третья часть:
1) We can cool the steel fast.
2) Scientists should use new technologies.
3) The developers of the tools are allowed to create blueprints.