Gerunds and Infinitives

http://www.perfect-english-grammar.com/support-files/gerunds_and_infinitives_part_1.pdf
http://www.perfect-english-grammar.com/support-files/gerunds_and_infinitives_part_2.pdf
http://www.perfect-english-grammar.com/support-files/gerunds_and_infinitives_part_3.pdf
http://www.perfect-english-grammar.com/support-files/gerunds_and_infinitives_part_4.pdf