| Simple | Progressive | Perfect | Progressive |
Present |
I trepan |
you trepan |
he/she/it trepans |
we trepan |
you all trepan |
they trepan |
|
I am trepanning |
you are trepanning |
he/she/it is trepanning |
we are trepanning |
you all are trepanning |
they are trepanning |
|
I have trepanned |
you have trepanned |
he/she/it has trepanned |
we have trepanned |
you all have trepanned |
they have trepanned |
|
I have been trepanning |
you have been trepanning |
he/she/it has been trepanning |
we have been trepanning |
you all have been trepanning |
they have been trepanning |
|
Past |
I trepanned |
you trepanned |
he/she/it trepanned |
we trepanned |
you all trepanned |
they trepanned |
|
I was trepanning |
you were trepanning |
he/she/it was trepanning |
we were trepanning |
you all were trepanning |
they were trepanning |
|
I had trepanned |
you had trepanned |
he/she/it had trepanned |
we had trepanned |
you all had trepanned |
they had trepanned |
|
I had been trepanning |
you had been trepanning |
he/she/it had been trepanning |
we had been trepanning |
you all had been trepanning |
they had been trepanning |
|
Future |
I will trepan |
you will trepan |
he/she/it will trepan |
we will trepan |
you all will trepan |
they will trepan |
|
I will be trepanning |
you will be trepanning |
he/she/it will be trepanning |
we are trepanning |
you all will be trepanning |
they will be trepanning |
|
I will have trepanned |
you will have trepanned |
he/she/it will have trepanned |
we will have trepanned |
you all will have trepanned |
they will have trepanned |
|
I will have been trepanning |
you will have been trepanning |
he/she/it will have been trepanning |
we will have been trepanning |
you all will have been trepanning |
they will have been trepanning |
|