Present
I toughen
you toughen
he/she/it toughens
we toughen
you toughen
they toughen
|
Present continuous
I am toughening
you are toughening
he/she/it is toughening
we are toughening
you are toughening
they are toughening
|
Preterit
I toughened
you toughened
he/she/it toughened
we toughened
you toughened
they toughened
|
Preterit continuous
I was toughening
you were toughening
he/she/it was toughening
we were toughening
you were toughening
they were toughening
|
Present perfect
I have toughened
you have toughened
he/she/it has toughened
we have toughened
you have toughened
they have toughened
|
Present perfect continuous
I have been toughening
you have been toughening
he/she/it has been toughening
we have been toughening
you have been toughening
they have been toughening
|
Pluperfect
I had toughened
you had toughened
he/she/it had toughened
we had toughened
you had toughened
they had toughened
|
Pluperfect continuous
I had been toughening
you had been toughening
he/she/it had been toughening
we had been toughening
you had been toughening
they had been toughening
|
Future
I will toughen
you will toughen
he/she/it will toughen
we will toughen
you will toughen
they will toughen
|
Future continuous
I will be toughening
you will be toughening
he/she/it will be toughening
we will be toughening
you will be toughening
they will be toughening
|
Future perfect
I will have toughened
you will have toughened
he/she/it will have toughened
we will have toughened
you will have toughened
they will have toughened
|
Future perfect continuous
I will have been toughening
you will have been toughening
he/she/it will have been toughening
we will have been toughening
you will have been toughening
they will have been toughening
|