Irregular Present Tense Basics

Question 1

decir (to say)

Answer 1

digo (I say)
dices (you say)
dice (he/she/it says)
decimos (we say)
decin (they say)

Question 2

ir (to go)

Answer 2

voy (I go)
vas (you go)
va (he/she/it goes)
vamos (we go)
van (they go)

Question 3

oír (to hear)

Answer 3

oigo (I hear)
oyes (you hear)
oye (he/she/it hears)
oímos (we hear)
oyen (they hear)

Question 4

ser (to be)

Answer 4

soy (I am)
eres (you are)
es (he/she/it is)
somos (we are)
son (they are)

Question 5

tener (to have)

Answer 5

tengo (I have)
tienes (you have)
tiene (he/she/it has)
tenemos (we have)
tienen (they have)

Question 6

venir (to come)

Answer 6

vengo (I come)
vienes (you come)
viene (he/she/it comes)
venimos (we come)
vienen (they come)

Question 7

Verbs endings in -ger and -gir change g to WHAT before the present first person “o” ending?

Answer 7

j
*some other -gir verbs have stem changes as well

Question 8

Verbs endings in -guir change gu to WHAT before the present first person “o” ending?

Answer 8

g
*some other -guir verbs have stem changes as well

Question 9

Verbs endings in -cer and -cir change c to WHAT before the present first person “o” ending?

Answer 9

z
*some other -cer and -cir verbs have stem changes as well (e changes to i and o changes to ue)

Question 10

Stem Changing Verbs in Present Tense

Answer 10

Out of the 5 conjugations in Latin/Mexican Spanish (not including the Vosotros form of Spain) all but the “we” form, or the “nosotros” form, change their stem. So the yo, tú, él/ella and ellos/ellas forms of stem-changing verbs all have stem changes.

Question 11

Example of “e” to “ie” Stem-Changing Verb Conjugation Present Tense

Answer 11

cerrar (“to close”)

cierro – I close
cierras – you (s.) close
cierra – he/she closes
cerramos – we close
cierran – they close

Question 12

Example of “o” to “ue” Stem-Changing Verb Conjugation Present Tense

Answer 12

colgar (“to hang”)

cuelgo – I hang
cuelgas – you (s.) hang
cuelga – he/she/it hangs
colgamos – we hang
cuelgan – they hang

Question 13

Example of “e” to “i” Stem-Changing Verb Conjugation Present Tense

Answer 13

corregir (“to correct”):

corrijo – I correct
corriges – you (s.) correct
corrige – he/she corrects
corregimos – we correct
corrigen – they correct

Question 14

(weird stem changes)
oler (to smell)

Answer 14

huelo – I smell
hueles – you smell
huele – he/she/it smells
olemos – we smell
huelen – they smell

Question 15

(weird stem changes)
jugar (to play)

Answer 15

juego – I play
juegas – you (s.( play
juega – he/she/it plays
jugamos – we play
juegan – they play

Question 16

Third, two verbs exist that change an “i” to an “ie”

Answer 16

They are adquirir (to acquire) and inquirir (to inquire). So in the first-person singular they’re adquiero and inquiero.