I shift you shift he shifts we shift you shift they shift
Present continuous
I am shifting you are shifting he is shifting we are shifting you are shifting they are shifting
Preterite
I shifted you shifted he shifted we shifted you shifted they shifted
Preterite continuous
I was shifting you were shifting he was shifting we were shifting you were shifting they were shifting
Present perfect
I have shifted you have shifted he has shifted we have shifted you have shifted they have shifted
Present perfect continuous
I have been shifting you have been shifting he has been shifting we have been shifting you have been shifting they have been shifting
Pluperfect
I had shifted you had shifted he had shifted we had shifted you had shifted they had shifted
Pluperfect continuous
I had been shifting you had been shifting he had been shifting we had been shifting you had been shifting they had been shifting
Future
I will shift you will shift he will shift we will shift you will shift they will shift
Future continuous
I will be shifting you will be shifting he will be shifting we will be shifting you will be shifting they will be shifting
Future perfect
I will have shifted you will have shifted he will have shifted we will have shifted you will have shifted they will have shifted
Future perfect continuous
I will have been shifting you will have been shifting he will have been shifting we will have been shifting you will have been shifting they will have been shifting
Conditional
Present
I would shift you would shift he would shift we would shift you would shift they would shift
Present continuous
I would be shifting you would be shifting he would be shifting we would be shifting you would be shifting they would be shifting
Past
I would have shifted you would have shifted he would have shifted we would have shifted you would have shifted they would have shifted
Past continuous
I would have been shifting you would have been shifting he would have been shifting we would have been shifting you would have been shifting they would have been shifting