Spanish grammar
Spanish yo-go verbs: tengo, hago, vengo, salgo (and veo)
A handful of everyday Spanish verbs are regular everywhere except in the yo form, where a g appears: tener gives tengo, hacer gives hago, venir gives vengo, salir gives salgo. There is no rule that produces these forms from the infinitive; each one is learned once, and the rest of the verb behaves. This guide collects the family and the one verb that looks like it should belong but does not: ver, veo.
In short
- tener → tengo, hacer → hago, venir → vengo, salir → salgo, poner → pongo: the yo form ends in -go.
- Only yo is irregular; tú and él/ella take the normal endings: haces, hace, sales, sale.
- tener and venir also stem-change in the other singular forms: tienes, tiene, vienes, viene.
- ver is the odd one out: veo, not vego. ves and ve are regular.
- Use the personal a when the object is a person: veo a mi amigo, but veo la película.
The g that is only yours
In a regular verb the front never moves: «hablo», «hablas», «habla»; «como», «comes», «come»; «vivo», «vives», «vive». Whatever changes, changes at the end. Now look at «tener»: «tienes», «tiene», and then «tengo». There is a g in that last one and it is nowhere in the other two. The ending is the ordinary -o of «hablo» and «como»; it is the stem itself that changes shape, for yo and for nobody else. «tengo un perro», «tengo hambre», «tengo ocho años». And it is not the only verb that does this.
Tengo un perro
I have a dog
Mi hermana tiene un gato
My sister has a cat
Tengo sed
I'm thirsty
Tú tienes un carro nuevo
You have a new car
Yo hablo español todos los días
I speak Spanish every day
Tengo ocho años
I'm eight years old
Hoy tú tienes hambre
Today you are hungry
Yo tengo hambre y mi hermano tiene sed
I'm hungry and my brother is thirsty
Only the yo form is strange
«hacer» means to do or to make, and almost everywhere it behaves. For tú it is «haces», the front of the verb plus the -es of «comes». For él and ella it is «hace», the same front plus the -e of «come». Then you reach yo, and instead of that front Spanish hands you «hago». A stem change like «puedo» can be predicted once you know the verb bends; this cannot. There is no rule that turns «hacer» into «hago». It is one form, memorized once per verb, and everything else about the verb stays ordinary. «tengo» has the same shape: a yo form ending in -go next to «tienes» and «tiene» with no g in them at all.
Hacer
to do, to make
Hago la tarea todos los días
I do the homework every day
Yo hago la tarea
I do the homework
Ana hace la tarea
Ana does the homework
Mi hermano hace el trabajo
My brother does the work
Mi hermana hace la tarea
My sister does the homework
Tengo hambre
I'm hungry
Yo hago la tarea, ella hace el trabajo
I do the homework, she does the work
Three verbs, one ending, no rule
«venir» is to come, and its yo form is «vengo». Nothing about «venir» predicts that g. You cannot derive it; it is one word, learned once, the same way «hago» was. What you can do is notice the company it keeps: «tengo», «hago», «vengo». Three different verbs, three yo forms, all ending in -go. That is a family, not a rule, and each member joins it one at a time. The endings elsewhere are the ordinary ones: «viene» is he comes, she comes, with the plain -e you already hang on «come» and «vive» (the e → ie in «vienes» and «viene» is the stem change you know from «quiero»). Only yo gets the g.
Vengo a la fiesta
I come to the party
Mi hermano viene a la fiesta
my brother comes to the party
Voy al parque
I go to the park
Mi hermana viene hoy, pero yo vengo mañana
My sister comes today, but I come tomorrow
Yo vengo en autobús
I come by bus
La fiesta empieza tarde
the party begins late
Tengo tarea, pero vengo a la fiesta
I have homework, but I come to the party
You just guessed a verb
«salir» is to leave or to go out, and its yo form is «salgo». «tengo», «hago», «vengo», «salgo»: four verbs, four irregular yo forms, one shape. Be careful about what that shape is, though. It is not a rule that manufactures the form out of the infinitive; it is a club, and you have to know who is in it. Very common verbs that look just like these do something else entirely. Outside yo, nothing moves: «sale» is he or she leaves, «haces» is you do. Plain endings, no g anywhere.
Mi hermano sale tarde
my brother leaves late
Mi madre sale temprano
my mother leaves early
Voy al trabajo
I go to work
Hoy salgo tarde
today I leave late
Salgo de casa temprano
I leave the house early
Mi hermana sale tarde, pero yo salgo temprano
My sister leaves late, but I leave early
Hoy salgo temprano y vengo a la fiesta
today I leave early and I come to the party
Four go, one doesn't
«hago», «vengo», «salgo», «tengo»: four yo forms, every one ending in -go. Here is the fifth verb, and it breaks the pattern. «ver», to see, has the yo form «veo»: two letters after the v and no g anywhere. Knowing it exists is what stops you putting a g in it. The rest of «ver» is regular: «ve», he or she sees, wears the same plain -e as «come» and «vive». One more thing. When the thing you see is a PERSON, Spanish slips a little «a» in front: «veo la película» has no «a», and «veo a mi amigo» does. This personal a marks a person and has no meaning of its own.
Quiero ver la película
I want to see the movie
Veo a mi amigo en el cine
I see my friend at the cinema
Diego ve el carro
Diego sees the car
Voy al cine
I go to the cinema
Veo a Diego en la fiesta
I see Diego at the party
Mi amigo hace la tarea
my friend does the homework
Veo a mi amigo en el cine, y mi amigo ve la película
I see my friend at the cinema, and my friend sees the movie
Five verbs, one habit
Side by side: «hacer» gives «hago», «venir» gives «vengo», «salir» gives «salgo», «tener» gives «tengo», and «ver» gives «veo». Four of the five end in -go; «veo» is the one exception, and there is nothing else hiding. Now the other columns. «tienes», «tiene» and «viene» carry the e → ie stem change on top of their regular endings; «haces», «hace», «sale» and «ve» do not change at all. What every one of them shares is the ENDING: the plain -es and -e of any -er or -ir verb. The strangeness lives in exactly one cell of the table, the one with yo in it.
Quiero tener un perro
I want to have a dog
Ana viene a la fiesta hoy
Ana comes to the party today
Tengo dos hermanos
I have two brothers
Ana tiene un carro
Ana has a car
Vengo a la fiesta hoy
I come to the party today
Quiero tener un perro, pero tengo un gato
I want to have a dog, but I have a cat
Check yourself
Questions from the course. Pick an answer to check it; nothing is saved.
1.Four yo-forms you already use. Three of them are exactly what you would predict: the front of the verb, then -o. One of them has a letter in it that no rule put there. Which one?
2.You know how a regular yo-form is built: take the front of the verb, add -o. Run «hacer» through that and you get one of the four below. Spanish does not use it. Which one does Spanish actually use for 'I do'?
3.«tengo», «hago»: pick the yo form of «venir».
4.«hago», «vengo», «tengo»: pick the yo form of «salir».
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