I could intermeasure you could intermeasure she could intermeasure we could intermeasure you could intermeasure they could intermeasure
V-ing form
I could be intermeasuring you could be intermeasuring she could be intermeasuring we could be intermeasuring you could be intermeasuring they could be intermeasuring
Perfect
I could have intermeasured you could have intermeasured she could have intermeasured we could have intermeasured you could have intermeasured they could have intermeasured
V-ing perfect
I could have been intermeasuring you could have been intermeasuring she could have been intermeasuring we could have been intermeasuring you could have been intermeasuring they could have been intermeasuring
Negation
Simple form
I couldn't intermeasure you couldn't intermeasure she couldn't intermeasure we couldn't intermeasure you couldn't intermeasure they couldn't intermeasure
V-ing form
I couldn't be intermeasuring you couldn't be intermeasuring she couldn't be intermeasuring we couldn't be intermeasuring you couldn't be intermeasuring they couldn't be intermeasuring
Perfect
I couldn't have intermeasured you couldn't have intermeasured she couldn't have intermeasured we couldn't have intermeasured you couldn't have intermeasured they couldn't have intermeasured
V-ing perfect
I couldn't have been intermeasuring you couldn't have been intermeasuring she couldn't have been intermeasuring we couldn't have been intermeasuring you couldn't have been intermeasuring they couldn't have been intermeasuring
Interrogative form
Simple form
could I intermeasure? could you intermeasure? could she intermeasure? could we intermeasure? could you intermeasure? could they intermeasure?
V-ing form
could I be intermeasuring? could you be intermeasuring? could she be intermeasuring? could we be intermeasuring? could you be intermeasuring? could they be intermeasuring?
Perfect
could I have intermeasured? could you have intermeasured? could she have intermeasured? could we have intermeasured? could you have intermeasured? could they have intermeasured?
V-ing perfect
could I have been intermeasuring? could you have been intermeasuring? could she have been intermeasuring? could we have been intermeasuring? could you have been intermeasuring? could they have been intermeasuring?
Interro-negative form
Simple form
couldn't I intermeasure? couldn't you intermeasure? couldn't she intermeasure? couldn't we intermeasure? couldn't you intermeasure? couldn't they intermeasure?
V-ing form
couldn't I be intermeasuring? couldn't you be intermeasuring? couldn't she be intermeasuring? couldn't we be intermeasuring? couldn't you be intermeasuring? couldn't they be intermeasuring?
Perfect
couldn't I have intermeasured? couldn't you have intermeasured? couldn't she have intermeasured? couldn't we have intermeasured? couldn't you have intermeasured? couldn't they have intermeasured?
V-ing perfect
couldn't I have been intermeasuring? couldn't you have been intermeasuring? couldn't she have been intermeasuring? couldn't we have been intermeasuring? couldn't you have been intermeasuring? couldn't they have been intermeasuring?