I do not ski you do not ski she does not ski we do not ski you do not ski they do not ski
Present continuous
I am not skiing you are not skiing she is not skiing we are not skiing you are not skiing they are not skiing
Preterite
I did not ski you did not ski she did not ski we did not ski you did not ski they did not ski
Preterite continuous
I was not skiing you were not skiing she was not skiing we were not skiing you were not skiing they were not skiing
Present perfect
I have not skied you have not skied she has not skied we have not skied you have not skied they have not skied
Present perfect continuous
I have not been skiing you have not been skiing she has not been skiing we have not been skiing you have not been skiing they have not been skiing
Pluperfect
I had not skied you had not skied she had not skied we had not skied you had not skied they had not skied
Pluperfect continuous
I had not been skiing you had not been skiing she had not been skiing we had not been skiing you had not been skiing they had not been skiing
Future
I will not ski you will not ski she will not ski we will not ski you will not ski they will not ski
Future continuous
I will not be skiing you will not be skiing she will not be skiing we will not be skiing you will not be skiing they will not be skiing
Future perfect
I will not have skied you will not have skied she will not have skied we will not have skied you will not have skied they will not have skied
Future perfect continuous
I will not have been skiing you will not have been skiing she will not have been skiing we will not have been skiing you will not have been skiing they will not have been skiing
Conditional
Present
I would not ski you would not ski she would not ski we would not ski you would not ski they would not ski
Present continuous
I would not be skiing you would not be skiing she would not be skiing we would not be skiing you would not be skiing they would not be skiing
Past
I would not have skied you would not have skied she would not have skied we would not have skied you would not have skied they would not have skied
Past continuous
I would not have been skiing you would not have been skiing she would not have been skiing we would not have been skiing you would not have been skiing they would not have been skiing