Question

Coloque as frases abaixo na forma negativa:(forma negativa do presente perfeito)
I have been singing for the last hour.
You brother has been working at Brasil escola for five years.
What have you been doing since morning?
I have been teaching at that school since August.
We have been waiting here since morning.
You look wonderful! What have you been doing?
b) How long have you been waiting for me?
c) She is really tired. She has been running.
d) My mobile phone has been ringing all the time.​

Answer 1

Resposta:

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Explicação:

I haven't been singing for the last hour

Your brother hasn't been working at a Brasillian school

for five years.

You haven't been doing nothing since morning.

I haven't been teaching at that school since August.

We haven't been waiting here since morning.

You don't look wonderful! What have you been doing?

You weren't waiting for me.

She's not really tired. She was not running.

My mobile phone hasn't been ringing all the time.