10 enunciados en presente perfecto en inglés.
en negativo y positivo
Respuestas a la pregunta
Respuesta:
1.
I have just finished my English homework.
I haven't just finished my English homework
2.
She has already washed her clothes.
She hasn't already washed her clothes.
3.
The teacher has explained the exercises yet
The teacher hasn't explained the exercises yet.
4.
They have been the best selesmen for 2 years
They haven't been the best selesmen for 2 years
5.
My father has driven a taxi for long time
My father hasn't driving a taxi for long time
6.
Helena has been a good nurse at the hospital
Helena hasn't been a good nurse at the hospital
7.
We have gone to the mall
We haven't gone to the mall
8.
I have brounght my cellphone at the University
I haven't brounght my cellphone at the University
9.
Mom has cooked the best cake for us
Mom hasn't cooked the best cake for us
10.
They have worked in that building for several years
They haven't worked in that building for several years