Question

Change the following past perfect affirmative sentences into negatives and interrogatives.

He had studied in the library before he came to the class.


I helped him to do the task after I had finished my work.​

Answer 1

Respuesta:

Does he had estudied in the library before he came to the class?

¿Había estudiado en la biblioteca antes de llegar a la clase?

I doesn't helped him to do the task after I had finished my work

No lo ayudé a hacer la tarea después de haber terminado mi trabajo.