COMPARATIVES

 EXERCISES

http://www.engvid.com/superlative-adjectives/

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

http://www.saberingles.com.ar/curso/lesson12/05.html

Countable and uncountable nouns

PAST PERFECT

TUTORIALES DE FREECAD

Writing an email

Writing an informal email from Elaboración Materiales

COUNTABLE AND UNCOUNTABLE NOUNS

QUANTIFIERS