I sputter you sputter she sputters we sputter you sputter they sputter
Present continuous
I am sputtering you are sputtering she is sputtering we are sputtering you are sputtering they are sputtering
Preterite
I sputtered you sputtered she sputtered we sputtered you sputtered they sputtered
Preterite continuous
I was sputtering you were sputtering she was sputtering we were sputtering you were sputtering they were sputtering
Present perfect
I have sputtered you have sputtered she has sputtered we have sputtered you have sputtered they have sputtered
Present perfect continuous
I have been sputtering you have been sputtering she has been sputtering we have been sputtering you have been sputtering they have been sputtering
Pluperfect
I had sputtered you had sputtered she had sputtered we had sputtered you had sputtered they had sputtered
Pluperfect continuous
I had been sputtering you had been sputtering she had been sputtering we had been sputtering you had been sputtering they had been sputtering
Future
I will sputter you will sputter she will sputter we will sputter you will sputter they will sputter
Future continuous
I will be sputtering you will be sputtering she will be sputtering we will be sputtering you will be sputtering they will be sputtering
Future perfect
I will have sputtered you will have sputtered she will have sputtered we will have sputtered you will have sputtered they will have sputtered
Future perfect continuous
I will have been sputtering you will have been sputtering she will have been sputtering we will have been sputtering you will have been sputtering they will have been sputtering
Conditional
Present
I would sputter you would sputter she would sputter we would sputter you would sputter they would sputter
Present continuous
I would be sputtering you would be sputtering she would be sputtering we would be sputtering you would be sputtering they would be sputtering
Past
I would have sputtered you would have sputtered she would have sputtered we would have sputtered you would have sputtered they would have sputtered
Past continuous
I would have been sputtering you would have been sputtering she would have been sputtering we would have been sputtering you would have been sputtering they would have been sputtering