A
1: The electrician will have finished the job by 12o'clock today.By 12o'clock he will have been working on the system for over three hours.
2: By this time next week we will have had four more English lessons.By 2010 I will have been learning English for about 20 years!
3: By the end of this year our teacher will have been teaching history for about 20 years.By the ehd of the year our teacher will have taught history to thousands of students.
B
1: We will go on an excursion next week wen the weather has changed.
2: As soon as we have received some more information,we will let you know.
3: I want you to post this card before the letter--box has been emptied at 5.
4: We will celebrate the New year in half an hour after the clock has stuck 12.
5: By the time he has thought about the job,I could have finished it!
6: As soon as you have finished your game of basketball ,I will come and collect you.
C
1 cost 2 value 3 prices 4 valued 5 cost 6 prices
7 cost 8 values 9 cost 10 prices
D
1 galaxies 2 universe 3 telescopes 4 NASA
5 launched 6 space 7 shuttle 8 astronauts
E
1 By this time next week I will have finished my exams.
2 By tomorrow evening I will have written to my friend in New Zealand.
3 By January next year I will have been studying English for about three years.
4 In a month's time I will be living in a different apartment.
5 By this time next month we will have had our annual holiday.
6 By the year 2020 men might have landed on the Mars.
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