I substitute you substitute he substitutes we substitute you substitute they substitute
Present continuous
I am substituting you are substituting he is substituting we are substituting you are substituting they are substituting
Preterite
I substituted you substituted he substituted we substituted you substituted they substituted
Preterite continuous
I was substituting you were substituting he was substituting we were substituting you were substituting they were substituting
Present perfect
I have substituted you have substituted he has substituted we have substituted you have substituted they have substituted
Present perfect continuous
I have been substituting you have been substituting he has been substituting we have been substituting you have been substituting they have been substituting
Pluperfect
I had substituted you had substituted he had substituted we had substituted you had substituted they had substituted
Pluperfect continuous
I had been substituting you had been substituting he had been substituting we had been substituting you had been substituting they had been substituting
Future
I will substitute you will substitute he will substitute we will substitute you will substitute they will substitute
Future continuous
I will be substituting you will be substituting he will be substituting we will be substituting you will be substituting they will be substituting
Future perfect
I will have substituted you will have substituted he will have substituted we will have substituted you will have substituted they will have substituted
Future perfect continuous
I will have been substituting you will have been substituting he will have been substituting we will have been substituting you will have been substituting they will have been substituting
Conditional
Present
I would substitute you would substitute he would substitute we would substitute you would substitute they would substitute
Present continuous
I would be substituting you would be substituting he would be substituting we would be substituting you would be substituting they would be substituting
Past
I would have substituted you would have substituted he would have substituted we would have substituted you would have substituted they would have substituted
Past continuous
I would have been substituting you would have been substituting he would have been substituting we would have been substituting you would have been substituting they would have been substituting