Grammar: The Present Tense

Question 1

What is it?

Answer 1

1) An action on-going at the moment
2) A regular/repeated action
3) To indicate the length of an action(which is still on going)

Question 2

Regular -ar verbs

Answer 2

Yo - o
Tú - as
El/ella/usted - a
Nosotros - amos
Vosotros - áis
Ellos/ellas/ustedes - an

Question 3

Regular -er and -ir verbs

Answer 3

Yo - o
Tú - es
El/ella/usted - e
Nosotros - imos
Vosotros - ís
Ellos/ellas/ustedes - en

Question 4

Irregular ‘yo’ forms:

Answer 4

Estar (to be) - estoy
Caer (to fall) - caigo
Hacer (to do) - hago
Poner (to put) - pongo
Salir (to go out/leave) - salgo
Traer (to bring) - traigo
Valer (to be worth) - valgo
Ver (to see) - veo
Saber (to know-a fact-) - sé
Conocer (to know-a person-) - conozco 
Parecer (to seem) - parezco

Question 5

Irregular ‘yo’ forms and radical changing verbs:

Answer 5

Tener (to have- ie) - tengo, tienes, tiene, tenemos, tenéis, tienen
Decir (to say, tell- i) - digo, dices, dice, decimos, decís, dicen
Venir (to come- ie) - vengo, vienes, viene, venimos, venéis, vienen

Question 6

Completely irregular verbs:

Answer 6

Ir (to go) - voy, vas, va, vamos, vais, van
Ser (to be) - soy, eres, es, somos, sois, son
Haber (to have) - he, has, ha, hemos, habéis, han
Oír (to hear) - oigo, oyes, oye, oímos, oís, oyen