look, in spanish is very different this verb than in english, la conjugación sería yo me quedo tu te quedas él se queda nosotros nos quedamos vosotros os quedais ellos se quedan

Technically, the verb is 'quedarse' and it is a reflexive verb. We don't have reflexive verbs in English, so the construction is a bit unusual for native English speakers. Compare the Spanish verbs 'lavar' = 'to wash' (not reflexive) and 'lavarse' = 'to wash oneself' (reflexive): Yo lavo el coche. => I wash the car. (not reflexive) Yo me lavo. => *I myself wash.* => I wash myself. (reflexive) Nosotros lavamos el coche. => We wash the car. (not reflexive) Nosotros nos lavamos. => *We ourselves wash.* => We wash ourselves. (reflexive) (Etc. Sonia has already given a full conjugation of quedarse above.) The words me, te, se, nos, os, se are called reflexive pronouns, and are sort of like the English words myself, yourself, him/herself, ourselves, etc. Not all verbs that are reflexive in Spanish are treated that way in English. So in English we would say 'I stay' and not 'I stay myself', even though it is yourself that is staying. So to say "We stay" in Spanish, you would say "Nosotros nos quedamos" [Literally, we ourselves stay], or more simply just "Nos quedamos" HTH

I am sorry man,I do not know.but If you want to know something about chinese,maybe I can solve your problems.

'Me quedo' means 'I stay'. 'Nos quedamos' means 'We stay'. 'Nos' is the subject .. who is staying? Us! ('Nosotros' or in this case 'nos') Check this - http://forum.wordreference.com/showthread.php?t=51783 Hope it answer your question! Feel free to send a message for more language exchange