CONDITIONALS

http://www.englisch-hilfen.de/en/exercises_list/if.htm

https://www.ego4u.com/en/cram-up/grammar/conditional-sentences

Zero and First Conditional

http://www.agendaweb.org/verbs/conditional-verbs-exercises.html

http://www.agendaweb.org/verbs/conditional-first-exercises.html

http://www.perfect-english-grammar.com/first-conditional-exercise-1.html

http://www.perfect-english-grammar.com/conditional-exercises.html

http://www.englishpage.com/conditional/conditional1.htm

First and Second Conditional

http://www.agendaweb.org/verbs/conditional-second-exercises.html

http://www.perfect-english-grammar.com/second-conditional-exercise-1.html

http://www.first-english.org/english_learning/if_clauses_conditional/60_if_clauses_test_type_1_type_2.htm

http://www.first-english.org/english_learning/if_clauses_conditional/61_if_clauses_tests_type_1_type_2.htm

Third Conditional

http://www.agendaweb.org/verbs/conditional-third-exercises.html

http://www.perfect-english-grammar.com/third-conditional-exercise-1.html

http://www.first-english.org/english_learning/if_clauses_conditional/40_if_clauses_type_3_exercises.htm

http://www.first-english.org/english_learning/if_clauses_conditional/42_if_clauses_type_3.htm

http://www.first-english.org/english_learning/if_clauses_conditional/46_if_clauses_type_3_online_exercises.htm

http://www.first-english.org/english_learning/if_clauses_conditional/47_if_sentences_type_3_tests_exercises.htm

Mixing Conditionals

http://www.agendaweb.org/verbs/conditional-mixed-exercises.html

https://www.ego4u.com/en/cram-up/grammar/conditional-sentences/exercises?05

http://www.myenglishpages.com/site_php_files/grammar-exercise-conditionals.php

http://www.perfect-english-grammar.com/first-second-third-conditionals-exercise.html

http://www.first-english.org/english_learning/if_clauses_conditional/63_if_clauses_tests_type_1_type_2_type_3.htm

http://www.first-english.org/english_learning/if_clauses_conditional/66_if_clauses_conditional_exercises_test.htm

http://www.first-english.org/english_learning/if_clauses_conditional/67_if_conditional_multiple_choice.htm

http://www.agendaweb.org/verbs/conditional-mixed-upper-intermediate-exercises.html

http://www.agendaweb.org/verbs/conditional-mixed-advanced-exercises.html

USED TO, GET USED TO, BE USED TO

http://speakspeak.com/english-grammar-exercises/intermediate/used-to-be-used-to-get-used-to

http://www.englishexercises.org/makeagame/viewgame.asp?id=2447

http://www.ejerciciodeingles.com/ejercicios-used-to-be-used-to-get-used-to-rellenar-huecos/

http://www.myenglishpages.com/site_php_files/grammar-exercise-used-to.php

http://www.autoenglish.org/modalverbs/gr.used.i.htm

http://www.esl-lounge.com/student/grammar/4g68-used-to-be-used-to.php

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-80920.php

http://www.usingenglish.com/quizzes/115.html

http://www.agendaweb.org/verbs/to-be-used-to.html

FUTURE TENSES

http://www.englishpage.com/verbpage/verbs18.htm

http://www.englishpage.com/verbpage/verbs19.htm

http://www.englishpage.com/verbpage/verbs20.htm

http://www.englishpage.com/verbpage/verbs21.htm

http://www.englishpage.com/verbpage/verbs22.htm

http://www.englishpage.com/verbpage/verbs23.htm

http://www.englishpage.com/verbpage/verbs24.htm

http://www.englishpage.com/verbpage/verbs25.htm

http://www.englishpage.com/verbpage/verbs26.htm

http://www.englishpage.com/verbpage/verbs27.htm

http://www.englishpage.com/verbpage/verbs28.htm

http://www.englisch-hilfen.de/en/exercises/tenses/future.htm

http://www.englisch-hilfen.de/en/exercises/tenses/future2.htm

http://www.englisch-hilfen.de/en/exercises/tenses/future_rules.htm

http://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future.htm

http://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future2.htm

TIME CLAUSES

http://www.e-grammar.org/time-clauses/test1-exercise1/

http://www.e-grammar.org/time-clauses/test2-exercise1/

http://www.e-grammar.org/time-clauses/test2-exercise2/

http://www.e-grammar.org/time-clauses/test1-exercise2/

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-13727.php

http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/time1.htm

http://www.english-test.net/esl/learn/english/grammar/ii142/esl-test.php

http://www.egeacademy.com/blog/exercises/future-time-clauses-when-before-after-as-soon-as-until/

RELATIVE CLAUSES

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?02

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?05

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?10

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?06

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?11

https://www.ego4u.com/en/read-on/countries/uk/tour/stonehenge#exercises

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?09

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?08

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?04

https://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?07

http://speakspeak.com/english-grammar-exercises/intermediate/relative-pronouns-who-which-that-whose-when-where

http://www.perfect-english-grammar.com/relative-clauses-exercise-1.html

http://www.perfect-english-grammar.com/relative-clauses-exercise-2.html

http://www.perfect-english-grammar.com/relative-clauses-exercise-3.html

http://www.agendaweb.org/grammar/relative_pronouns_clauses-exercises.html

MODAL VERBS REVISION

http://www.englishpage.com/modals/interactivemodal1.htm

http://www.englishpage.com/modals/interactivemodal2.htm

http://www.englishpage.com/modals/interactivemodal3.htm

http://www.englishpage.com/modals/interactivemodal4.htm

http://www.englishpage.com/modals/interactivemodal5.htm

http://www.englishpage.com/modals/interactivemodal6.htm

http://www.englishpage.com/modals/interactivemodal7.htm

http://www.englishpage.com/modals/interactivemodal8.htm

http://www.perfect-english-grammar.com/modal-verbs-of-ability-exercise-1.html

http://www.perfect-english-grammar.com/modal-verbs-of-obligation-exercise-1.html

http://www.perfect-english-grammar.com/modal-verbs-of-probability-exercise-1.html

http://www.perfect-english-grammar.com/modal-verbs-of-probability-exercise-2.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=2229

http://www.agendaweb.org/verbs/modals-exercises.html

Perfect modals

http://www.perfect-english-grammar.com/could-have-should-have-would-have-exercise-1.html

http://www.autoenglish.org/modalverbs/gr.might.i.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=9331

http://www.esl-classroom.com/grammar/perfmodals1.html

http://www.esl-classroom.com/grammar/perfmodals2.html

http://www.esl-lounge.com/student/grammar/4g66-past-modals-exercise.php

PAST AND PRESENT TENSES

http://www.englishpage.com/verbpage/verbs16.htm

http://www.englishpage.com/verbpage/verbs17.htm

http://www.english-4u.de/tenses_ex1.htm

http://www.english-4u.de/tenses_ex2.htm

http://www.english-4u.de/tenses_ex3.htm

http://www.english-4u.de/tenses_ex9.htm

http://www.english-4u.de/tenses_ex10.htm