Learn Spanish (Latin America): Llévalo a la clínica y ponle la inyección. - Take him to the clinic and give him the injection.

When you give an affirmative command (telling someone to do something), object pronouns like lo must be attached directly to the end of the verb. We add an accent mark to llévalo to keep the spoken stress on the same vowel as the original command, lleva.

Why doesn't ponle have an accent mark like llévalo does?

Adding le to the one-syllable command pon makes a two-syllable word ending in a vowel (ponle). In Spanish, words with this spelling pattern naturally stress the second-to-last syllable. Since the stress already lands perfectly on pon on its own, no written accent is needed.

Why do we use lo in llévalo but le in ponle when they both refer to 'him' here?

In llévalo, 'him' is the direct object (the person being physically taken), so we use lo. In ponle la inyección, the injection is the direct object being 'put' or given, and 'him' is the indirect object (the person receiving it). For indirect objects, we use le.

The translation says 'give him the injection', but doesn't poner usually mean 'to put'?