English verb conjugation
COULD RADIOLABEL

Regular verb: radiolabel - radiolabeled - radiolabeled

Affirmation

Simple form	V-ing form
I could radiolabel you could radiolabel she could radiolabel we could radiolabel you could radiolabel they could radiolabel	I could be radiolabeling you could be radiolabeling she could be radiolabeling we could be radiolabeling you could be radiolabeling they could be radiolabeling
Perfect	V-ing perfect
I could have radiolabeled you could have radiolabeled she could have radiolabeled we could have radiolabeled you could have radiolabeled they could have radiolabeled	I could have been radiolabeling you could have been radiolabeling she could have been radiolabeling we could have been radiolabeling you could have been radiolabeling they could have been radiolabeling

Negation

Simple form	V-ing form
I couldn't radiolabel you couldn't radiolabel she couldn't radiolabel we couldn't radiolabel you couldn't radiolabel they couldn't radiolabel	I couldn't be radiolabeling you couldn't be radiolabeling she couldn't be radiolabeling we couldn't be radiolabeling you couldn't be radiolabeling they couldn't be radiolabeling
Perfect	V-ing perfect
I couldn't have radiolabeled you couldn't have radiolabeled she couldn't have radiolabeled we couldn't have radiolabeled you couldn't have radiolabeled they couldn't have radiolabeled	I couldn't have been radiolabeling you couldn't have been radiolabeling she couldn't have been radiolabeling we couldn't have been radiolabeling you couldn't have been radiolabeling they couldn't have been radiolabeling

Interrogative form

Simple form	V-ing form
could I radiolabel? could you radiolabel? could she radiolabel? could we radiolabel? could you radiolabel? could they radiolabel?	could I be radiolabeling? could you be radiolabeling? could she be radiolabeling? could we be radiolabeling? could you be radiolabeling? could they be radiolabeling?
Perfect	V-ing perfect
could I have radiolabeled? could you have radiolabeled? could she have radiolabeled? could we have radiolabeled? could you have radiolabeled? could they have radiolabeled?	could I have been radiolabeling? could you have been radiolabeling? could she have been radiolabeling? could we have been radiolabeling? could you have been radiolabeling? could they have been radiolabeling?

Interro-negative form

Simple form	V-ing form
couldn't I radiolabel? couldn't you radiolabel? couldn't she radiolabel? couldn't we radiolabel? couldn't you radiolabel? couldn't they radiolabel?	couldn't I be radiolabeling? couldn't you be radiolabeling? couldn't she be radiolabeling? couldn't we be radiolabeling? couldn't you be radiolabeling? couldn't they be radiolabeling?
Perfect	V-ing perfect
couldn't I have radiolabeled? couldn't you have radiolabeled? couldn't she have radiolabeled? couldn't we have radiolabeled? couldn't you have radiolabeled? couldn't they have radiolabeled?	couldn't I have been radiolabeling? couldn't you have been radiolabeling? couldn't she have been radiolabeling? couldn't we have been radiolabeling? couldn't you have been radiolabeling? couldn't they have been radiolabeling?