I couple you couple he couples we couple you couple they couple
Present continuous
I am coupling you are coupling he is coupling we are coupling you are coupling they are coupling
Preterite
I coupled you coupled he coupled we coupled you coupled they coupled
Preterite continuous
I was coupling you were coupling he was coupling we were coupling you were coupling they were coupling
Present perfect
I have coupled you have coupled he has coupled we have coupled you have coupled they have coupled
Present perfect continuous
I have been coupling you have been coupling he has been coupling we have been coupling you have been coupling they have been coupling
Pluperfect
I had coupled you had coupled he had coupled we had coupled you had coupled they had coupled
Pluperfect continuous
I had been coupling you had been coupling he had been coupling we had been coupling you had been coupling they had been coupling
Future
I will couple you will couple he will couple we will couple you will couple they will couple
Future continuous
I will be coupling you will be coupling he will be coupling we will be coupling you will be coupling they will be coupling
Future perfect
I will have coupled you will have coupled he will have coupled we will have coupled you will have coupled they will have coupled
Future perfect continuous
I will have been coupling you will have been coupling he will have been coupling we will have been coupling you will have been coupling they will have been coupling
Conditional
Present
I would couple you would couple he would couple we would couple you would couple they would couple
Present continuous
I would be coupling you would be coupling he would be coupling we would be coupling you would be coupling they would be coupling
Past
I would have coupled you would have coupled he would have coupled we would have coupled you would have coupled they would have coupled
Past continuous
I would have been coupling you would have been coupling he would have been coupling we would have been coupling you would have been coupling they would have been coupling