Gerunds and Infinitives

Here are some pages for you to practise the topic above:

http://www.eflnet.com/grammar/gerinf1.php

http://www.eflnet.com/grammar/gerinf2.php

http://www.eflnet.com/grammar/gerinf3.php

http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/gerund.htm

http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/gerinf.htm

I would very much appreciate some comments about it.