Indicative
Present
I abstain
you abstain
he abstains
we abstain
you abstain
they abstain
Perfect
I have abstained
you have abstained
he has abstained
we have abstained
you have abstained
they have abstained
Past
I abstained
you abstained
he abstained
we abstained
you abstained
they abstained
Pluperfect
I had abstained
you had abstained
he had abstained
we had abstained
you had abstained
they had abstained
Future
I will abstain
you will abstain
he will abstain
we will abstain
you will abstain
they will abstain
Future perfect
I will have abstained
you will have abstained
he will have abstained
we will have abstained
you will have abstained
they will have abstained
Subjunctive
Present
I abstain
you abstain
he abstain
we abstain
you abstain
they abstain
Present
I have abstained
you have abstained
he have abstained
we have abstained
you have abstained
they have abstained
Imperfect
I abstained
you abstained
he abstained
we abstained
you abstained
they abstained
Pluperfect
I had abstained
you had abstained
he had abstained
we had abstained
you had abstained
they had abstained
Progressive (Continuous) Forms
Indicative
Present
I am abstaining
you are abstaining
he is abstaining
we are abstaining
you are abstaining
they are abstaining
Perfect
I have been abstaining
you have been abstaining
he has been abstaining
we have been abstaining
you have been abstaining
they have been abstaining
Past
I was abstaining
you were abstaining
he was abstaining
we were abstaining
you were abstaining
they were abstaining
Pluperfect
I had been abstaining
you had been abstaining
he had been abstaining
we had been abstaining
you had been abstaining
they had been abstaining
Future
I will be abstaining
you will be abstaining
he will be abstaining
we will be abstaining
you will be abstaining
they will be abstaining
Future perfect
I will have been abstaining
you will have been abstaining
he will have been abstaining
we will have been abstaining
you will have been abstaining
they will have been abstaining