UNIT 1 - PRES. PERFECT with ALREADY/JUST/STILL/YET & FOR/SINCE

PRACTICE

http://www.english-area.com/paginas/presentperfect.htm
https://learnenglish.britishcouncil.org/grammar/b1-b2-grammar/present-perfect-just-yet-still-already

http://www.autoenglish.org/gr.presper.i.htm

https://www.curso-ingles.com/practicar/ejercicios/already-just-still-yet

https://www.curso-ingles.com/practicar/ejercicios/already-just-still-yet-2

http://perso.wanadoo.es/autoenglish/gr.presper.i.htm

http://www.aulafacil.com/Ingejerc/Lecciones/Ejerc33.htm

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/upperf1.htm

UNIT 1 - PAST SIMPLE

PRACTICE:

http://www.saberingles.com.ar/exercises/203.html

http://www.saberingles.com.ar/curso/lesson14/07.html

https://www.ego4u.com/en/cram-up/grammar/simple-past/exercises

http://www.saberingles.com.ar/curso/lesson14/06.html

http://www.curso-ingles.com/practicar/ejercicios/past-simple

http://www.saberingles.com.ar/exercises/105.html

UNIT 1 - IMPROVEMENT (VERBS + PREPOSITIONS)

 

UNIT 1 - MUSIC STYLES

UNIT 1 - FUTURE TENSES (II): PRES. SIMPLE vs PRES. CONTINUOUS

PRACTICE:
http://baladre.info/english/sedaviwebfront/goingtowill.htm
http://www.ego4u.com/en/cram-up/grammar/future-mix/exercises