11.   The changes have had a profound effect.

12.   The changes will have an enormous impact.

13.   The changes would have a detrimental effect on bus passengers.

14.   These changes also had a significant impact at the political level as government sought to introduce reforms to accommodate these changes.

15.   These changes could have significant impact if prosecutions were brought and convictions achieved.

16.   These policy changes could have beneficial side effects for the whole economy.

17.   What effect will these changes have on the tourist industry?

18.   It is difficult to know precisely how much impact the changes will have.

19.   Any changes will have to wait until sponsors can be found.

20.   The change had only a small impact on the community.