EXERCISES GIVEN:

1 VERBS TENSES MIXED http://www.englisch-hilfen.de/en/exercises/tenses/mix.htm

2 - PAST TENSE EXERCISES http://www.english-room.com/pasttense_6a.htm

3 - SIMPLE PAST - PAST CONTINUOUS http://www.englishpage.com/verbpage/verbs3.htm

4 - WILL BE GOING TO http://www.englishpage.com/verbpage/verbs18.htm

5 - WH QUESTIONS http://www.english-4u.de/question_words_ex1.htm

6 -

7 - USED TO http://www.inglesvip.com/exercises/used-to-to-be-used-to-2.html

8 - USED TO http://www.inglesonline.com.br/exerciciosdeinglesonline/used-simple-present.htm

9 - TIME PREPOSITION http://www.englishpage.com/prepositions/time_prepositions_1.htm

10 - TIME PREPOSITIONS http://www.englishpage.com/prepositions/time_prepositions_2.htm

11 - WHO WHOM http://www.bristol.ac.uk/arts/exercises/grammar/grammar_tutorial/page_61.htm

12 - WHO WHOM http://www.englishpage.com/minitutorials/who_whom_1.htm

13 - SIMPLE PRESENT PRESENT PERFECT http://www.englishpage.com/verbpage/verbs5.htm

14 - NEITHER NOR http://www.ego4u.com/en/cram-up/vocabulary/both-either-neither-nor

15 - NEITHER NOR http://www.learnenglishfeelgood.com/esl-too-either-neither2.html#