I shudder you shudder he shudders we shudder you shudder they shudder
Present continuous
I am shuddering you are shuddering he is shuddering we are shuddering you are shuddering they are shuddering
Preterite
I shuddered you shuddered he shuddered we shuddered you shuddered they shuddered
Preterite continuous
I was shuddering you were shuddering he was shuddering we were shuddering you were shuddering they were shuddering
Present perfect
I have shuddered you have shuddered he has shuddered we have shuddered you have shuddered they have shuddered
Present perfect continuous
I have been shuddering you have been shuddering he has been shuddering we have been shuddering you have been shuddering they have been shuddering
Pluperfect
I had shuddered you had shuddered he had shuddered we had shuddered you had shuddered they had shuddered
Pluperfect continuous
I had been shuddering you had been shuddering he had been shuddering we had been shuddering you had been shuddering they had been shuddering
Future
I will shudder you will shudder he will shudder we will shudder you will shudder they will shudder
Future continuous
I will be shuddering you will be shuddering he will be shuddering we will be shuddering you will be shuddering they will be shuddering
Future perfect
I will have shuddered you will have shuddered he will have shuddered we will have shuddered you will have shuddered they will have shuddered
Future perfect continuous
I will have been shuddering you will have been shuddering he will have been shuddering we will have been shuddering you will have been shuddering they will have been shuddering
Conditional
Present
I would shudder you would shudder he would shudder we would shudder you would shudder they would shudder
Present continuous
I would be shuddering you would be shuddering he would be shuddering we would be shuddering you would be shuddering they would be shuddering
Past
I would have shuddered you would have shuddered he would have shuddered we would have shuddered you would have shuddered they would have shuddered
Past continuous
I would have been shuddering you would have been shuddering he would have been shuddering we would have been shuddering you would have been shuddering they would have been shuddering