Conjugation

I underuse	we underuse
you underuse	you underuse
he/she/it underuses	they underuse

I am underusing	we are underusing
you are underusing	you are underusing
he/she/it is underusing	they are underusing

I have underused	we have underused
you have underused	you have underused
he/she/it has underused	they have underused

I have been underusing	we have been underusing
you have been underusing	you have been underusing
he/she/it has been underusing	they have been underusing

I underused	we underused
you underused	you underused
he/she/it underused	they underused

I was underusing	we were underusing
you were underusing	you were underusing
he/she/it was underusing	they were underusing

I had underused	we had underused
you had underused	you had underused
he/she/it had underused	they had underused

I had been underusing	we had been underusing
you had been underusing	you had been underusing
he/she/it had been underusing	they had been underusing

I will underuse	we will underuse
you will underuse	you will underuse
he/she/it will underuse	they will underuse

I will be underusing	we will be underusing
you will be underusing	you will be underusing
he/she/it will be underusing	they will be underusing

I will have underused	we will have underused
you will have underused	you will have underused
he/she/it will have underused	they will have underused

I will have been underusing	we will have been underusing
you will have been underusing	you will have been underusing
he/she/it will have been underusing	they will have been underusing

I would underuse	we would underuse
you would underuse	you would underuse
he/she/it would underuse	they would underuse

I would be underusing	we would be underusing
you would be underusing	you would be underusing
he/she/it would be underusing	they would be underusing

I would have underused	we would have underused
you would have underused	you would have underused
he/she/it would have underused	they would have underused

I would have been underusing	we would have been underusing
you would have been underusing	you would have been underusing
he/she/it would have been underusing	they would have been underusing

I am underused	we are underused
you are underused	you are underused
he/she/it is underused	they are underused

I am being underused	we are being underused
you are being underused	you are being underused
he/she/it is being underused	they are being underused

I have been underused	we have been underused
you have been underused	you have been underused
he/she/it has been underused	they have been underused

I have been being underused	we have been being underused
you have been being underused	you have been being underused
he/she/it has been being underused	they have been being underused

I was underused	we were underused
you were underused	you were underused
he/she/it was underused	they were underused

I was being underused	we were being underused
you were being underused	you were being underused
he/she/it was being underused	they were being underused

I had been underused	we had been underused
you had been underused	you had been underused
he/she/it had been underused	they had been underused

I had been being underused	we had been being underused
you had been being underused	you had been being underused
he/she/it had been being underused	they had been being underused

I will be underused	we will be underused
you will be underused	you will be underused
he/she/it will be underused	they will be underused

I will be being underused	we will be being underused
you will be being underused	you will be being underused
he/she/it will be being underused	they will be being underused

I will have been underused	we will have been underused
you will have been underused	you will have been underused
he/she/it will have been underused	they will have been underused

I will have been being underused	we will have been being underused
you will have been being underused	you will have been being underused
he/she/it will have been being underused	they will have been being underused