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Choose the sentence that is Not grammatically correct. Yo beso a Ana ayer. Nosotros practicamos la coreografía. Ellos estudiaron francés. Or Ella ayudó con la cena.

Respuesta :

Yo beso a Ana ayer, is incorrect.
Greenleafable
The sentence which is not grammatically correct is Yo beso a Ana ayer.
With ayer ( = yesterday), you know that you should use the preterite form of the verb. For besar (= kiss), first person singular Yo (= I, me), the preterite form is besé, not beso, which is why that option is not correct.