| A | B |
| to want to do something | querer (e-ie) + infin |
| in order to do something | para + infin |
| to need to do something | necesitar + infin |
| after doing something | después de + infin |
| before doing something | antes de + infin |
| to like to do something | me/te/le/nos/os/les + gusta + infin |
| to help to do something | ayudar + a + infin |
| going to do something | ir + a + infin |
| should do something | deber + infin |
| to plan to do something | pensar (e-ie) + infin |
| can / to be able to do somethng | poder (o-ue) + infin |
| to prefer to do something | preferir (e-ie) + infin |
| to begin/start to do something | empezar/comenzar (e-ie) + a + infin |
| to have to do something | tener + que + infin |
| to feel like doing something | tener + ganas de + infin |
| to invite to do something | invitar + a + infin |