English verb conjugation
COULD PREMEASURE

Regular verb: premeasure - premeasured - premeasured

Affirmation

Simple form	V-ing form
I could premeasure you could premeasure he could premeasure we could premeasure you could premeasure they could premeasure	I could be premeasuring you could be premeasuring he could be premeasuring we could be premeasuring you could be premeasuring they could be premeasuring
Perfect	V-ing perfect
I could have premeasured you could have premeasured he could have premeasured we could have premeasured you could have premeasured they could have premeasured	I could have been premeasuring you could have been premeasuring he could have been premeasuring we could have been premeasuring you could have been premeasuring they could have been premeasuring

Negation

Simple form	V-ing form
I couldn't premeasure you couldn't premeasure he couldn't premeasure we couldn't premeasure you couldn't premeasure they couldn't premeasure	I couldn't be premeasuring you couldn't be premeasuring he couldn't be premeasuring we couldn't be premeasuring you couldn't be premeasuring they couldn't be premeasuring
Perfect	V-ing perfect
I couldn't have premeasured you couldn't have premeasured he couldn't have premeasured we couldn't have premeasured you couldn't have premeasured they couldn't have premeasured	I couldn't have been premeasuring you couldn't have been premeasuring he couldn't have been premeasuring we couldn't have been premeasuring you couldn't have been premeasuring they couldn't have been premeasuring

Interrogative form

Simple form	V-ing form
could I premeasure? could you premeasure? could he premeasure? could we premeasure? could you premeasure? could they premeasure?	could I be premeasuring? could you be premeasuring? could he be premeasuring? could we be premeasuring? could you be premeasuring? could they be premeasuring?
Perfect	V-ing perfect
could I have premeasured? could you have premeasured? could he have premeasured? could we have premeasured? could you have premeasured? could they have premeasured?	could I have been premeasuring? could you have been premeasuring? could he have been premeasuring? could we have been premeasuring? could you have been premeasuring? could they have been premeasuring?

Interro-negative form

Simple form	V-ing form
couldn't I premeasure? couldn't you premeasure? couldn't he premeasure? couldn't we premeasure? couldn't you premeasure? couldn't they premeasure?	couldn't I be premeasuring? couldn't you be premeasuring? couldn't he be premeasuring? couldn't we be premeasuring? couldn't you be premeasuring? couldn't they be premeasuring?
Perfect	V-ing perfect
couldn't I have premeasured? couldn't you have premeasured? couldn't he have premeasured? couldn't we have premeasured? couldn't you have premeasured? couldn't they have premeasured?	couldn't I have been premeasuring? couldn't you have been premeasuring? couldn't he have been premeasuring? couldn't we have been premeasuring? couldn't you have been premeasuring? couldn't they have been premeasuring?