English verb conjugation
COULD QUANTIZE

Regular verb: quantize - quantized - quantized

Affirmation

Simple form	V-ing form
I could quantize you could quantize she could quantize we could quantize you could quantize they could quantize	I could be quantizing you could be quantizing she could be quantizing we could be quantizing you could be quantizing they could be quantizing
Perfect	V-ing perfect
I could have quantized you could have quantized she could have quantized we could have quantized you could have quantized they could have quantized	I could have been quantizing you could have been quantizing she could have been quantizing we could have been quantizing you could have been quantizing they could have been quantizing

Negation

Simple form	V-ing form
I couldn't quantize you couldn't quantize she couldn't quantize we couldn't quantize you couldn't quantize they couldn't quantize	I couldn't be quantizing you couldn't be quantizing she couldn't be quantizing we couldn't be quantizing you couldn't be quantizing they couldn't be quantizing
Perfect	V-ing perfect
I couldn't have quantized you couldn't have quantized she couldn't have quantized we couldn't have quantized you couldn't have quantized they couldn't have quantized	I couldn't have been quantizing you couldn't have been quantizing she couldn't have been quantizing we couldn't have been quantizing you couldn't have been quantizing they couldn't have been quantizing

Interrogative form

Simple form	V-ing form
could I quantize? could you quantize? could she quantize? could we quantize? could you quantize? could they quantize?	could I be quantizing? could you be quantizing? could she be quantizing? could we be quantizing? could you be quantizing? could they be quantizing?
Perfect	V-ing perfect
could I have quantized? could you have quantized? could she have quantized? could we have quantized? could you have quantized? could they have quantized?	could I have been quantizing? could you have been quantizing? could she have been quantizing? could we have been quantizing? could you have been quantizing? could they have been quantizing?

Interro-negative form

Simple form	V-ing form
couldn't I quantize? couldn't you quantize? couldn't she quantize? couldn't we quantize? couldn't you quantize? couldn't they quantize?	couldn't I be quantizing? couldn't you be quantizing? couldn't she be quantizing? couldn't we be quantizing? couldn't you be quantizing? couldn't they be quantizing?
Perfect	V-ing perfect
couldn't I have quantized? couldn't you have quantized? couldn't she have quantized? couldn't we have quantized? couldn't you have quantized? couldn't they have quantized?	couldn't I have been quantizing? couldn't you have been quantizing? couldn't she have been quantizing? couldn't we have been quantizing? couldn't you have been quantizing? couldn't they have been quantizing?