Question

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.

Answer 1

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.

Answer 2

I. Modal verbs in the past:

1. These properties could make steel useful.
2. They had to apply new methods.
3. We might have worked in the work-shop.

II. Modal verbs in the future:

1. You will be able to design new machine-tools.
2. Students will have to use their knowledge.
3. Our group may be able to use the new machine-tool.

III. Translation into English:

1. We can cool down the steel quickly.
2. Scientists must use new technologies.
3. Tool developers can (are allowed to) make blueprints.