Question

ejemplo de presente perfecto continuo en forma afirmativa

Answer 1

Respuesta:

I've been studying English for two years.

It's been raining since yesterday

They have been thinking about it for a long time

She has been playing the piano

Explicación:

Answer 2

Respuesta:

I have been watching tv for three hours, espero t sirva :)

Explicación

Haven't/hasn't + sujeto + been + v. en forma -ing +complement