I do not back you do not back he does not back we do not back you do not back they do not back
Presente continuo
I am not backing you are not backing he is not backing we are not backing you are not backing they are not backing
Pretérito
I did not back you did not back he did not back we did not back you did not back they did not back
Pretérito continuo
I was not backing you were not backing he was not backing we were not backing you were not backing they were not backing
Presente perfecto
I have not backed you have not backed he has not backed we have not backed you have not backed they have not backed
Presente perfecto continuo
I have not been backing you have not been backing he has not been backing we have not been backing you have not been backing they have not been backing
Pluscuamperfecto
I had not backed you had not backed he had not backed we had not backed you had not backed they had not backed
Pluscuamperfecto continuo
I had not been backing you had not been backing he had not been backing we had not been backing you had not been backing they had not been backing
Futuro simple
I will not back you will not back he will not back we will not back you will not back they will not back
Futuro continuo
I will not be backing you will not be backing he will not be backing we will not be backing you will not be backing they will not be backing
Futuro perfecto
I will not have backed you will not have backed he will not have backed we will not have backed you will not have backed they will not have backed
Futuro perfecto contínuo
I will not have been backing you will not have been backing he will not have been backing we will not have been backing you will not have been backing they will not have been backing
Condicional
Presente
I would not back you would not back he would not back we would not back you would not back they would not back
Presente continuo
I would not be backing you would not be backing he would not be backing we would not be backing you would not be backing they would not be backing
Passado
I would not have backed you would not have backed he would not have backed we would not have backed you would not have backed they would not have backed
Passado continuo
I would not have been backing you would not have been backing he would not have been backing we would not have been backing you would not have been backing they would not have been backing