Si Antonio estuviera en la fiesta, el hablaria con Juan.
This sentence means - If Antonio had gone to the party, he would have talked to Juan.
It is a hypothetical sentence, meaning that it didn't happen but states what could have happened had he decided to go to the party.
Answer:
Le
Explanation:
She is one person. So if you said something like "dale" (give her), it would use the singular "le".
Empiezo would be the yo form
The word I would use is "lab"
