Present
I cotter
you cotter
he cotters
we cotter
you cotter
they cotter

Perfect
I have cottered
you have cottered
he has cottered
we have cottered
you have cottered
they have cottered

Past
I cottered
you cottered
he cottered
we cottered
you cottered
they cottered

Pluperfect
I had cottered
you had cottered
he had cottered
we had cottered
you had cottered
they had cottered

Future
I will cotter
you will cotter
he will cotter
we will cotter
you will cotter
they will cotter

Future perfect
I will have cottered
you will have cottered
he will have cottered
we will have cottered
you will have cottered
they will have cottered

Present
I cotter
you cotter
he cotter
we cotter
you cotter
they cotter

Present
I have cottered
you have cottered
he have cottered
we have cottered
you have cottered
they have cottered

Imperfect
I cottered
you cottered
he cottered
we cottered
you cottered
they cottered

Pluperfect
I had cottered
you had cottered
he had cottered
we had cottered
you had cottered
they had cottered

Present
I would cotter
you would cotter
he would cotter
we would cotter
you would cotter
they would cotter

Perfect
I would have cottered
you would have cottered
he would have cottered
we would have cottered
you would have cottered
they would have cottered

you cotter
we Let's cotter
you cotter

Present
I am cottering
you are cottering
he is cottering
we are cottering
you are cottering
they are cottering

Perfect
I have been cottering
you have been cottering
he has been cottering
we have been cottering
you have been cottering
they have been cottering

Past
I was cottering
you were cottering
he was cottering
we were cottering
you were cottering
they were cottering

Pluperfect
I had been cottering
you had been cottering
he had been cottering
we had been cottering
you had been cottering
they had been cottering

Future
I will be cottering
you will be cottering
he will be cottering
we will be cottering
you will be cottering
they will be cottering

Future perfect
I will have been cottering
you will have been cottering
he will have been cottering
we will have been cottering
you will have been cottering
they will have been cottering

Present
I would be cottering
you would be cottering
he would be cottering
we would be cottering
you would be cottering
they would be cottering

Perfect
I would have been cottering
you would have been cottering
he would have been cottering
we would have been cottering
you would have been cottering
they would have been cottering