English verb conjugation
COULD QUANTISE

Regular verb: quantise - quantised - quantised

Affirmation

Simple form	V-ing form
I could quantise you could quantise he could quantise we could quantise you could quantise they could quantise	I could be quantising you could be quantising he could be quantising we could be quantising you could be quantising they could be quantising
Perfect	V-ing perfect
I could have quantised you could have quantised he could have quantised we could have quantised you could have quantised they could have quantised	I could have been quantising you could have been quantising he could have been quantising we could have been quantising you could have been quantising they could have been quantising

Negation

Simple form	V-ing form
I couldn't quantise you couldn't quantise he couldn't quantise we couldn't quantise you couldn't quantise they couldn't quantise	I couldn't be quantising you couldn't be quantising he couldn't be quantising we couldn't be quantising you couldn't be quantising they couldn't be quantising
Perfect	V-ing perfect
I couldn't have quantised you couldn't have quantised he couldn't have quantised we couldn't have quantised you couldn't have quantised they couldn't have quantised	I couldn't have been quantising you couldn't have been quantising he couldn't have been quantising we couldn't have been quantising you couldn't have been quantising they couldn't have been quantising

Interrogative form

Simple form	V-ing form
could I quantise? could you quantise? could he quantise? could we quantise? could you quantise? could they quantise?	could I be quantising? could you be quantising? could he be quantising? could we be quantising? could you be quantising? could they be quantising?
Perfect	V-ing perfect
could I have quantised? could you have quantised? could he have quantised? could we have quantised? could you have quantised? could they have quantised?	could I have been quantising? could you have been quantising? could he have been quantising? could we have been quantising? could you have been quantising? could they have been quantising?

Interro-negative form

Simple form	V-ing form
couldn't I quantise? couldn't you quantise? couldn't he quantise? couldn't we quantise? couldn't you quantise? couldn't they quantise?	couldn't I be quantising? couldn't you be quantising? couldn't he be quantising? couldn't we be quantising? couldn't you be quantising? couldn't they be quantising?
Perfect	V-ing perfect
couldn't I have quantised? couldn't you have quantised? couldn't he have quantised? couldn't we have quantised? couldn't you have quantised? couldn't they have quantised?	couldn't I have been quantising? couldn't you have been quantising? couldn't he have been quantising? couldn't we have been quantising? couldn't you have been quantising? couldn't they have been quantising?