Precios Iniciar sesión Registrarse

Categorías: Todo - negative - grammar - interrogative - pronouns

por milvia sotay hace 4 años

631

verb tube

Ver más

Common test techniques

Common test techniques

por J. Manuel D.

present perfect

present perfect

por paula katherin coronadod diaz

Simple Past VS Present Perfect

Simple Past VS Present Perfect

por Angel Barrera

Levels of a language

Levels of a language

por Vladimir KOBELEV

verb tube

affirmative

interrogative

am

is

are

negative

i

am not/ ´m not

he, she, it

is not/ isn´t

we, you, they

are not/ aren´t