Level 3 Teens Unit 8 

  Some Any / A / AN

 http://www.englishexercises.org/makeagame/viewgame.asp?id=2920

http://www.englishexercises.org/makeagame/viewgame.asp?id=3246

 http://www.englishexercises.org/makeagame/viewgame.asp?id=2134

Have got

 http://www.englishexercises.org/makeagame/viewgame.asp?id=8410

http://www.englishexercises.org/makeagame/viewgame.asp?id=8411

 http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?07

Would Like

 http://www.englishexercises.org/makeagame/viewgame.asp?id=4339

 http://first-english.org/english_learning/english_beginners/would_want_to/02_would_like_to_questiions_exercises.htm

 Question tags

http://www.english-zone.com/grammar/tags01.html

Level 10 Teens Unit 1

     Verbs + to or ing

     https://www.englishclub.com/grammar/verbs-m_infinitive-ing_quiz.htm

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

     http://www.mansioningles.com/gram57_ej2.htm

     Prepositions + ing

     https://www.ego4u.com/en/cram-up/grammar/infinitive-gerund/exercises?20

     http://www.vitutor.com/gramatica_inglesa/verb_tense/ing_ej3.html

     https://englishgrammarsecrets.com/the-ing-form/grammar/

     verb + gerund or infinitive

     http://www.englishpage.com/gerunds/gerunds_infinitives_1.htm

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

     http://www.englishpage.com/gerunds/gerunds_infinitives_12.htm

Level 8 Teens Unit 4

Verbs of perception

http://random-idea-english.blogspot.mx/2014/11/verb-patterns-quick-quizzes.html

https://a2cristina.wordpress.com/2009/12/11/verbs-of-perception/

Will vs Going to

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

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

https://elt.oup.com/student/solutions/preint/grammar/grammar_06_012e?cc=mx&selLanguage=en

First conditional

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

https://www.learnenglishfeelgood.com/grammar-firstconditional1.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=2718

Level 5 Teens Review Unit 6

PRESENT PERFECT

http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?04

http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?05

http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?07

JUST ALREADY YET

http://www.englishexercises.org/makeagame/viewgame.asp?id=877  (NOHACER LASOPA DE LETRAS)

EVER / NEVER

http://www.englishexercises.org/makeagame/viewgame.asp?id=8694

MUCH MANY

http://www.englishexercises.org/makeagame/viewgame.asp?id=5311

http://www.englishexercises.org/makeagame/viewgame.asp?id=1979

TOO /ENOUGH

http://www.englishexercises.org/makeagame/viewgame.asp?id=3110

Level 8 Teens, Mondays and Wednesdays

Verbs of perception

http://random-idea-english.blogspot.mx/2014/11/verb-patterns-quick-quizzes.html

Will vs Going to

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

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

https://elt.oup.com/student/solutions/preint/grammar/grammar_06_012e?cc=mx&selLanguage=en

First conditional

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

https://www.learnenglishfeelgood.com/grammar-firstconditional1.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=2718