UNIT 1 - VERB + GER. or INF.

ADDING -ing IN THE GERUND FORM

PRACTICE:

http://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?04

http://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?06

http://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?07

http://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?30

http://www.english-area.com/paginas/Infinitiveoring.htm

http://www.mansioningles.com/gram57_ej1.htm

http://www.englishpage.com/gerunds/gerunds_infinitives_2.htm