When are the object pronouns suffixed with the verbs?

Question

What is the grammatical reason behind suffixing the object pronounce with the verbs?

Answer 1

The object pronouns can be appended to the verb infinitive, the Spanish gerund, and the affirmative command (formal and informal).

¿Peudes prestarme tu libro?. Quiero leerlo.

Estoy haciéndolo ahora mismo.

déselo a ella.

dámelo, por favor.

Answer 2

Hi sushan, welcome to the forum

This will be answered by Lazarus, hopefully, as he is the grammar geek o this forum.

Meanwhile, if you wish to practise, have a look at this:

Rewriting pronouns, Spanish only:

http://www.spanishdict.com/flashcards/1738/rewriting-using-pronouns-se-le-lo-me-etc.-spanish-only

Jeese, I guess I shouldn't have answered him, then. - - 0074b507, AGO 31, 2009

jejejeje, I think I finally get your jokes! Miracles do happen! - 00494d19, AGO 31, 2009

Keep'um coming quentin - ian-hill, AGO 31, 2009

Answer 3

What is the grammatical reason behind suffixing the object pronounce with the verbs?

No simple reason available, sorry; that's the way the language is. The pronouns are enclitic (ie. attached at the end of the verb) in the cases listed by Quentin.