Telephone costs have risen rose rised( risen, rose, rised ) since January.

Sales drop dropped have dropped( drop, dropped, have dropped ) at the beginning of the year.

Energy consumption increase increased has increased( increase, increased, has increased ) over the past 30 years.

Gas prices go up went up have gone up( go up, went up, have gone up ) last month.

The number of customers grow grew has grown has grew( grow, grew, has grown, has grew ) since 2004.

Surprisingly, interest rates fall fell have fallen( fall, fell, have fallen ) yesterday.

TBM's share price hit a low has hit a low( hit a low, has hit a low ) after the crash in 1999.

Online bookings doubled has doubled have doubled( doubled, has doubled, have doubled ) since May last year.

Order volume fluctuate fluctuated has fluctuated( fluctuate, fluctuated, has fluctuated ) between May and July.

Productivity has hit a low has gone down fell( has hit a low, has gone down, fell ) in November.

Output climbed up has improved recovered( climbed up, has improved, recovered ) since 2003.

After the takeover in May sales grew up have decreased plunged( grew up, have decreased, plunged ).

This year our market share raised has grown dropped down( raised, has grown, dropped down ) by 10%.

Staff numbers have doubled rose up have raised( have doubled, rose up, have raised ) this year.

In 2004 sales have climbed slumped have risen( have climbed, slumped, have risen ).

The line graph shows that turnover has fell dramatically has increased slightly declined slightly( has fell dramatically, has increased slightly, declined slightly ) since May.

You can see that interest rates has increased slightly fell dramatically have declines slightly( has increased slightly, fell dramatically, have declines slightly ) at the beginning of 2004.

Over the past six months, sales has increased slightly have decreased steadily( has increased slightly, have decreased steadily ).