## Affirmation

Forme simple

I *can* subtract

you *can* subtract

he *can* subtract

we *can* subtract

you *can* subtract

they *can* subtract

Forme en V-ing

I *can* be subtract**ing**

you *can* be subtract**ing**

he *can* be subtract**ing**

we *can* be subtract**ing**

you *can* be subtract**ing**

they *can* be subtract**ing**

Perfect

I *can* have subtract**ed**

you *can* have subtract**ed**

he *can* have subtract**ed**

we *can* have subtract**ed**

you *can* have subtract**ed**

they *can* have subtract**ed**

Perfect en V-ing

I *can* have been subtract**ing**

you *can* have been subtract**ing**

he *can* have been subtract**ing**

we *can* have been subtract**ing**

you *can* have been subtract**ing**

they *can* have been subtract**ing**

## Négation

Forme simple

I *can*not subtract

you *can*not subtract

he *can*not subtract

we *can*not subtract

you *can*not subtract

they *can*not subtract

Forme en V-ing

I *can*not be subtract**ing**

you *can*not be subtract**ing**

he *can*not be subtract**ing**

we *can*not be subtract**ing**

you *can*not be subtract**ing**

they *can*not be subtract**ing**

Perfect

I *can*not have subtract**ed**

you *can*not have subtract**ed**

he *can*not have subtract**ed**

we *can*not have subtract**ed**

you *can*not have subtract**ed**

they *can*not have subtract**ed**

Perfect en V-ing

I *can*not have been subtract**ing**

you *can*not have been subtract**ing**

he *can*not have been subtract**ing**

we *can*not have been subtract**ing**

you *can*not have been subtract**ing**

they *can*not have been subtract**ing**

## Forme interrogative

Forme simple

*can* I subtract?*can* you subtract?*can* he subtract?*can* we subtract?*can* you subtract?*can* they subtract?

Forme en V-ing

*can* I be subtract**ing**?*can* you be subtract**ing**?*can* he be subtract**ing**?*can* we be subtract**ing**?*can* you be subtract**ing**?*can* they be subtract**ing**?

Perfect

*can* I have subtract**ed**?*can* you have subtract**ed**?*can* he have subtract**ed**?*can* we have subtract**ed**?*can* you have subtract**ed**?*can* they have subtract**ed**?

Perfect en V-ing

*can* I have been subtract**ing**?*can* you have been subtract**ing**?*can* he have been subtract**ing**?*can* we have been subtract**ing**?*can* you have been subtract**ing**?*can* they have been subtract**ing**?

## Forme interro-négative

Forme simple

*can* I not subtract?*can* you not subtract?*can* he not subtract?*can* we not subtract?*can* you not subtract?*can* they not subtract?

Forme en V-ing

*can* I not be subtract**ing**?*can* you not be subtract**ing**?*can* he not be subtract**ing**?*can* we not be subtract**ing**?*can* you not be subtract**ing**?*can* they not be subtract**ing**?

Perfect

*can* I not have subtract**ed**?*can* you not have subtract**ed**?*can* he not have subtract**ed**?*can* we not have subtract**ed**?*can* you not have subtract**ed**?*can* they not have subtract**ed**?

Perfect en V-ing

*can* I not have been subtract**ing**?*can* you not have been subtract**ing**?*can* he not have been subtract**ing**?*can* we not have been subtract**ing**?*can* you not have been subtract**ing**?*can* they not have been subtract**ing**?