apilarlas

Apilarlas is a Spanish verb form consisting of the verb apilar (to stack) combined with the feminine plural direct object pronoun las. The term is used when the action of stacking or piling refers to multiple feminine nouns, such as cajas, sábanas, or libros (if interpreted as feminine plural in context). The form signals that the speaker intends to pile those items.

Grammar and morphology: apilar is a regular -ar verb. The clitic pronoun las attaches to the infinitive to form apilarlas, indicating what is being stacked. This clitic attachment follows general rules for Spanish non-finite forms: it appears at the end of the infinitive or before a conjugated auxiliary verb, as in voy a apilarlas or tengo que apilarlas. The pronoun must agree in gender and number with the noun it replaces (feminine plural in this case). When referring to a mixed or unspecified feminine plural set, apilarlas may be used similarly, with context clarifying the exact objects.

Usage notes: Apilarlas is common in logistics, warehouse work, housekeeping, and construction, among other settings. It can appear in imperative, descriptive, or sequential clauses, for example: “Voy a apilarlas en la estantería,” “Tenemos que apilarlas con cuidado,” or “No olvides apilarlas correctamente.” The construction is interchangeable with the spaced form apilar las when emphasis on the objects is desired, though apilarlas is more concise and typical in spoken language.

See also: apilar, clitic pronouns in Spanish, Spanish verb forms with pronouns.