A/an-indefinite article 1.-Use a/an with singular nouns. “ It's a flower” “It's a girl” 2.-Use an with a noun beginning with a vowel ” a,e,i,o,u” “It's an identity card” “It's an umbrella” 3.-Use “a” with nouns beginning u when u= /ju:/ “It's a university/uniform”.

Regular plurals SINGULARPLURALSPELLING A BOOK A KEY BOOKS KEYS ADD -S A WATCH A BOX WATCHES BOXES ADD -ES AFTER CH,SH,S,X A COUNTRY A DICTIONARY COUNTRIES DICTIONARIES CONSONANT+Y= IES A BOYBOYSVOWEL+Y=YS

IRREGULAR PLURALS l SINGULARPLURAL A MAN (hombre)MEN /MEN/ A WOMAN (mujer)WOMEN /WIMIN/ A CHILD (hijo)CHILDREN A PERSON (persona)PEOPLE A LOUSE (piojo)LICE A MOUSE (ratón)MICE A FOOT (pie)FEET

 THIS-THAT-THESE-THOSE 1. Use this/these for things near you (here).  What's this?(esto) It's a ticket.  These(estos) watches are Japanese. 2. Use that/those for things which aren't near you (there)  That(ese,aquel) book is Italian.  What are those(esos,aquellos)? They're cars.

This-that-these-those This/That=singular (esto,esta,eso,esa) These/those=plural (estos, estas, esos, esas, aquellos, aquellas) This, that, these and those can be adjectives (this singer) or pronouns (what's this?).