UNIT 5 - PAST SIMPLE vs PRESENT PERFECT

PRACTICE:

http://www.learn4good.com/languages/evrd_grammar/presentp_exc.htm

http://www.curso-ingles.com/ejercicios-test-ingles/presente-perfecto.php

http://www.saberingles.com.ar/curso/lesson21/06.html

http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test3

http://www.english-area.com/paginas/atravellerslife.htm

UNIT 5 - SUBJECT & OBJECT QUESTIONS

PRACTICE:

http://www.perfect-english-grammar.com/subject-questions-exercise-1.html

https://elt.oup.com/student/result/engint/a_grammar/unit01/1b_2?cc=us&selLanguage=en

http://www.esl-lounge.com/student/grammar/3g26-subject-object-questions.php

http://www.english-zone.com/grammar/questions4.html

UNIT 5 - -ED & -ING ADJECTIVES

PRACTICE

https://www.curso-ingles.com/practicar/ejercicios/adjectives-ending-in-ed-and-ing

https://www.curso-ingles.com/practicar/ejercicios/adjectives-ending-in-ed-and-ing-2

https://www.englishexercises.org/makeagame/viewgame.asp?id=3385

http://original.ompersonal.com.ar/omexercise/adjetivos/unit30.htm

UNIT 5 - SLEEP: VERBS

UNIT 5 - PRESENT PERFECT with FOR & SINCE

PRACTICE:

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

https://www.english-4u.de/en/tenses-exercises/for-since2.htm

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

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

https://www.englishexercises.org/makeagame/viewgame.asp?id=9027

https://www.liveworksheets.com/w/en/english-second-language-esl/1638728

https://www.topworksheets.com/en/english-language/verbs/how-long-present-perfect-60d9e1c90b591