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
Future:
Boris will wake up when it is already quite light. He will look at his watch. It will a quarter to seven. Quick! Boris Will jump out of bed and will run to the bathroom. He will have just time to take a cold shower and drink a glass of tea with delicious sandwiches. He will a hurry to catch the 8 am train.
At the railway station he will meet three other boys from his group. They all will have small backpacks and fishing rods.
In less then a hour they will get off the train at a small station near a wood. They will walk very quickly and soon will find them selves on the shore of a large lake. The Boys will spend the whole day there fishing, boating and swimming.
Past: Boris woke up when it is already quite light. He looked at his watch. It was a quarter to seven. Quick! Boris jumped out of bed and ran to the bathroom. He had just time to took a cold shower and drank a glass of tea with delicious sandwiches. He was in a hurry to catch the 8 am train.
At the railway station he met three other boys from his group. They all had small backpacks and fishing rods.
In less then a hour they got off the train at a small station near a wood. They walked very quickly and soon find them selves on the shore of a large lake. The boys spent the whole day there fishing, boating and swimming.