Can, Want, Should
Say what you can do, want to do and should do — in real spoken sentences.
The pattern is modal + infinitive: only the first verb conjugates, the second never changes — puedo hablar, quiero comer, debo estudiar, never puedo hablo. Two of them change their stem in the present: poder is o→ue (puedo, puedes, puede, podemos, pueden) and querer is e→ie (quiero, quieres, quiere, queremos, quieren). The nuance worth knowing: deber leans should — advice — while tener que leans have to: debes comer más verduras, but tengo que ir al supermercado. And soler + infinitive covers habits without any extra grammar: suelo despertarme a las siete.
Below: each modal lesson by lesson, how Argentina's vos changes the forms you'll hear, the classic slips — and how you practise it all by talking about your own plans, not with flashcards or drills.
The warm-up pack
Can, want to, should, have to, usually do — the five verbs that carry almost every plan you'll ever make, said the way you'd actually say them.
01 · What you're actually able to do
Puedo hablar español un poco.
I can speak Spanish a little.
"Puedo" plus the plain infinitive — that's the whole ability pattern, and admitting "un poco" is exactly how real speakers ease into a conversation.
02 · Asking for a hand
¿Puedes ayudarme con esto?
Can you help me with this?
Swap "puedo" for "puedes" and you've turned it into the single most useful request in the language.
03 · Saying what you're working toward
Quiero aprender a tocar la guitarra.
I want to learn to play the guitar.
"Quiero" plus infinitive states a goal, no extra words needed — this is how you talk about what you're actually trying to do.
04 · Making plans with someone
¿Quieres ir al cine esta noche?
Do you want to go to the movies tonight?
The invitation pattern — "quieres" plus infinitive is how plans with friends actually start.
05 · Advice you're giving yourself
Debo estudiar más para el examen.
I must study more for the exam.
"Debo" carries a sense of "I really should" — it's advice or moral pressure, not a hard external rule.
06 · Advice for someone else
Debes comer más verduras.
You should eat more vegetables.
Same gentle-pressure "deber" — this is what a friend says, not an order.
07 · A rule you didn't set
Tengo que ir al supermercado.
I have to go to the supermarket.
"Tengo que" is different from "debo" — it's something outside you making the demand, not your own conscience.
08 · The two side by side
Debes comer sano. Tienes que ir al doctor.
You should eat healthy. You have to go to the doctor.
"Debes" is a suggestion; "tienes que" is non-negotiable. Same speaker, two different levels of pressure, one sentence apart.
09 · Talking about your routine
Suelo despertarme a las siete.
I usually wake up at seven.
"Soler" plus infinitive is the easiest way to describe a habit — no extra grammar, just this verb and what you usually do.
10 · Asking about someone's routine
¿Qué sueles hacer los fines de semana?
What do you usually do on weekends?
A natural getting-to-know-you question — swap "sueles" for "suelo" and you're answering your own question right back.
11 · The excuse that actually works
No puedo ir porque tengo que trabajar, pero quiero ir la próxima vez.
I can't go because I have to work, but I want to go next time.
Three modals, one breath — can't, have to, want to. This is what a real decline-and-raincheck sounds like.
FLUENT
Finally, someone to talk to in Spanish.
Ten-minute spoken lessons. A teacher who answers back — and gently fixes what you got wrong.
First 10 lessons freeandbefluent.com/spanish/can-want-shouldRegional Spanish
Textbooks teach one word. Locals use several — pick your region's and stay consistent.
| English | Mexico & most of Latin America | Argentina (vos) |
|---|---|---|
| Can you help me? | ¿Puedes ayudarme? | ¿Podés ayudarme? |
| What do you want (to drink)? | ¿Qué quieres? | ¿Qué querés tomar? |
| You have to go | Tienes que ir | Tenés que ir |
Watch out
The part no drill site can do
Carla
Your grammar teacher for this pack
No flashcards, no fill-in-the-blanks. In the Can, Want, Should lessons you talk, and Carla keeps handing you real openings: two things you can do and one you can't — puedo, no puedo — then what you actually want this weekend: quiero descansar, quiero salir con amigos. She'll push you to feel the difference between advice and obligation out loud — debes comer sano vs tienes que ir al doctor — and by the last lesson you're describing your mornings with suelo despertarme a las siete, suelo desayunar café, chaining modals the way the sentences actually come out in conversation.
Blank mid-sentence and nothing bad happens — she waits. That's the practice, without unnecessary judgement.
Finish the 5 lessons and Can, Want, Should is yours — earned, not given.
First 10 lessons free · 10-minute spoken lessons · your AI coaching team remembers you
Quick answers
Deber is advice or moral duty — should: debes comer más verduras. Tener que is external necessity — have to: tengo que ir al supermercado, tienes que ir al doctor.
With the o→ue stem change: puedo, puedes, puede, podemos, pueden — no puedo dormir con este ruido. The catch is remembering the change: it's puedo, never podo.
No — only the modal conjugates; the second verb stays in the infinitive: puedo hablar, quiero aprender a tocar la guitarra, debo estudiar. Never puedo hablo.
Soler + infinitive means to usually do something: suelo despertarme a las siete, ¿qué sueles hacer los fines de semana? In the past it's used to: de niño, solía jugar en el parque.
Quiero + infinitive: quiero aprender a tocar la guitarra, ¿quieres ir al cine esta noche? For cravings, Mexicans often say se me antoja un taco, and across the Caribbean you'll hear tengo ganas de salir.
