На этом сайте можно найти много упражнений для самоконтроля.

Verb Tense Exercise 2  (Present Simlpe/Present Continuous) -  http://www.englishpage.com/verbpage/verbs2.htm

Verb Tense Exercise 3 (Past Simple/Past Continuous) - http://www.englishpage.com/verbpage/verbs3.htm

Verb Tense Exercise 5 (Past Simple/Present Perfect) - http://www.englishpage.com/verbpage/verbs5.htm

Conditional Exercise 1 (if/when) - http://www.englishpage.com/conditional/conditional1.htm

Conditional Exercise 2 (Present Unreal Conditional) - http://www.englishpage.com/conditional/conditional2.htm

Modal Exercise 1 (Can , Could , Have to , Must , Might and Should) - http://www.englishpage.com/modals/interactivemodal1.htm    

Gerunds and Infinitives - http://www.englishpage.com/gerunds/gerunds_infinitives_1.htm

Time Prepositions - http://www.englishpage.com/prepositions/time_prepositions_1.htm

На сайте представлены разноуровневые упражнения по грамматике, аудированию, чтению, на знание лексики. А также на сайте есть теория, видео, песни.  

GRAMMAR (Much and many exercises) - http://www.agendaweb.org/grammar/many_much-exercises.html

ANIMALS EXERCISES VOCABULARY - http://www.agendaweb.org/vocabulary/animals-exercises.html

READING - http://www.agendaweb.org/reading/comprehension_interm3.html

VIDEO - http://www.agendaweb.org/videos/intermediate-exercises.html

LISTENING -  http://www.agendaweb.org/listening/intermediate.html

SONGS -  http://www.agendaweb.org/songs/learn_english_through_songs.html