Ex. 1. Give the Past Indefinite Tense:

I. He can speak English quite well. 2. He is to be at home at 7 o'clock. 3. She has to work at home today. 4. They must be very attentive at the lessons.

Ex. 2. Complete the following sentences according to the models:

Model I: I have missed many lessons and now I have to work very hard.

The results of their experiments were bad, they had to repeat them.

1. He has worked very hard this month, he ... a little now. 2. This substance is very rare, if you want to use it, you . .. before the experiment. 3. They used analytical balances as they . . . very minute quantities. 4. The water is very cold, you ... before drinking it.

Model II: I cannot attend the lecture as I am to be at home at six.

1. Don’t be late, the meeting ... at five sharp. 2. He…his research work by the end of this year, that’s why he is so busy. 3. The temperature ... to 100°C if you want to finish your experiment in time. 4. Don’t you know that she... at three, it will take her an hour to get here.

Ex. 3. Fill in the blanks with “to have to” or “to be to”:

1. I can't go with them as I ... (to be) at the Institute at half past nine. 2. If you want to understand this phenomenon better, you ... (to look through) some articles devoted to this problem. 3. As this question is not solved the meeting .. .1 (to be put off). 4. At ten a.m. he . . . (to make a report), I think it will be interesting to listen to him. 5. As he made many mistakes in his last work he . . . (to rewrite) it

207

215

Посмотреть ответы 1

Ответы на вопрос:

vanyazoro

4,7(81 оценок)

3.часы 1.морковка 4.пилот.6.скамейка. больше ничего в голову быстро не пришло

Задай свой вопрос

Как otvet5GPT работает?

otvet5GPT использует большую языковую модель вместе с базой данных GPT для обеспечения высококачественных образовательных результатов. otvet5GPT действует как доступный академический ресурс вне класса.
Сколько это стоит?

Проект находиться на стадии тестирования и все услуги бесплатны.
Могу ли я использовать otvet5GPT в школе?

Конечно! Нейросеть может помочь вам делать конспекты лекций, придумывать идеи в классе и многое другое!
В чем отличия от ChatGPT?

otvet5GPT черпает академические источники из собственной базы данных и предназначен специально для студентов. otvet5GPT также адаптируется к вашему стилю письма, предоставляя ряд образовательных инструментов, предназначенных для улучшения обучения.