10.
If nothing is done one million species that are alive today …………………………………
(become) extinct in twenty years.
11.
The tropical rain forests ……………………………………………. (disappear) in thirty
years.
D) Fill in the blanks using FUTURE PERFECT CONTINUOUS TENSE:
1.
By the end of June I ……………………………………………….. (live) in this flat for
thirteen years.
2.
I ……………………………………………… (fly) to London for an hour at this time
tomorrow.
3.
At this time next week I …………………………………………………. (work) for this
company for 20 years.
4.
When the bell rings I ……………………………………………… (teach) for eight hours
today.
5.
I …………………………………………………… (wear) these glasses for five years
next week.
6.
I ………………………………………………… (drive) this car for six years tomorrow.
7.
At this time tomorrow I ……………………………………………….. (take) a test for an
hour.
8.
At this time next year I …………………………………………….. (have) a holiday in
Antalya for a week.
9.
At this time next year I …………………………………………….(live) in Istanbul for
ten years.
10.
By the time we get home they ……………………………………………….. (play)
football for half an hour.
11.
She …………………………………………. (dance) for an hour at nine o’clock.
12.
I ………………………………………….. (learn) English for ten years by the end of this
year.