Unit 13: May and might

 https://test-english.com/grammar-points/a2/might-might-not/ (3 exercises in this link, click on the link on the top right corner)

Unit 13: For and since

 https://www.focus.olsztyn.pl/en-present-perfect-continuous-for-since.html

https://www.grammar.cl/Games/For_Since.htm

https://www.engblocks.com/grammar/exercises/tenses/present-perfect-since-for-exercise-2/

https://www.grammarism.com/present-perfect-with-for-since-exercises/

https://www.grammarism.com/present-perfect-with-for-since-exercises/?qid=785171

https://www.focus.olsztyn.pl/en-present-perfect-english-exercises.html

https://test-english.com/grammar-points/a2/present-perfect/   (There are 4 exercises)

Unit 12: Present perfect

 Use these links to practice:

https://www.perfect-english-grammar.com/present-perfect-exercise-1.html

https://www.perfect-english-grammar.com/present-perfect-exercise-2.html

https://www.perfect-english-grammar.com/present-perfect-exercise-3.html

https://www.perfect-english-grammar.com/present-perfect-exercise-4.html

https://www.perfect-english-grammar.com/present-perfect-exercise-5.html

Unit 11 grammar: Something, anything, nothing, etc.

 Use these links to revise:

https://agendaweb.org/exercises/grammar/anything-something

https://agendaweb.org/exercises/grammar/somebody-anybody-nobody

https://www.usingenglish.com/quizzes/70.html

https://elt.oup.com/student/solutions/int/grammar/grammar_08_022e?cc=global&selLanguage=en

https://test-english.com/grammar-points/a2/something-anything-nothing-etc/3/ (There are 3 exercises, look in the top right corner)

https://www.perfect-english-grammar.com/indefinite-pronouns-exercise-1.html

https://www.english-grammar.at/online_exercises/indefinite-pronouns/ip003.htm

Unit 11 grammar: 1st conditional

 Hello everybody! You can use these links to practice the first conditional:

https://www.examenglish.com/grammar/A2_First_Conditional.htm

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

https://agendaweb.org/exercises/verbs/conditional/first-conditional-1

https://agendaweb.org/exercises/verbs/conditional/first-negative-questions

https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_mix3.htm

https://www.engblocks.com/grammar/exercises/conditionals/conditional-sentences-type-1-exercise-with-one-gap/

https://continuingstudies.uvic.ca/elc/studyzone//330/grammar/1cond1

https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_negation.htm

and a game!

https://www.gamestolearnenglish.com/conditional-sentences/

Unit 10: Be going to

 You can practice the future with going to here (there are 3 exercises):

https://test-english.com/grammar-points/a1/be-going-to-plans-predictions/3/

More links:

https://agendaweb.org/exercises/verbs/future/going-to-forms

https://agendaweb.org/exercises/verbs/going-to-match

https://agendaweb.org/exercises/verbs/going-to-write-2

https://agendaweb.org/exercises/verbs/future/going-to-interrogative-forms

https://agendaweb.org/exercises/verbs/going-to-write-3

https://agendaweb.org/exercises/verbs/going-to-questions-2

And here you can practice using the future with will, or with going to (also 3 exercises here):

https://test-english.com/grammar-points/a2/will-vs-be-going-to/

Unit 9: Future

 Use these links to practice the future:

https://test-english.com/grammar-points/a2/present-continuous-future-arrangements/

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-6874.php

https://www.flo-joe.co.uk/preliminaryenglish/grammar/present-simple-and-continuous-as-future-tenses.htm

https://www.examenglish.com/grammar/A2_present_continuous_for_future.htm