Tenses/verbs
1. Production started �(climb) steadily but �(flatten) off at a level of around 70. Since then, it �(fall) steadily.
2. Production �(grow) more and more rapidly over the first three quarters but then �(reach) a peak. Since then, it (drop) quickly .�
3. Production �(grow) rapidly in the first quarter, but �(reach) a plateau of about 70. Since then it �(remain) more or less stable.�
4. Production �(drop) slowly but steadily over this year.
5. Production �(start) the year in a stable position, but then �(plunge) in the third quarter. It �(now flatten) out at a level of 20.�
6. Production (fall) considerably over the first three quarters, �(reach) a low of 20. Since then it �(stage) a partial recovery.�
7. Production �(fluctuate) all this year.�
�8. Production �(start) off steady, but �(fall) sharply in the last quarter.��
9. Production �(show) a marginal rise in the first three quarters, but then �(suffer) a sharp drop.�
10. After a considerable drop in the first two quarters, production �(bottom) out at 20. Since then it �(start) �(rise).�
11. Production �(experience) a strong, steady growth over the whole year. And it still �(not/change) its pace. �
12�. There �(be) a slight increase in production over this year.�
13.�There �(be) a rapid drop in production in the first quarter, but it �(bottom) out at about 20 later.�