English verb conjugation
COULD OBTUND

Regular verb: obtund - obtunded - obtunded

Affirmation

Simple form	V-ing form
I could obtund you could obtund she could obtund we could obtund you could obtund they could obtund	I could be obtunding you could be obtunding she could be obtunding we could be obtunding you could be obtunding they could be obtunding
Perfect	V-ing perfect
I could have obtunded you could have obtunded she could have obtunded we could have obtunded you could have obtunded they could have obtunded	I could have been obtunding you could have been obtunding she could have been obtunding we could have been obtunding you could have been obtunding they could have been obtunding

Negation

Simple form	V-ing form
I could not obtund you could not obtund she could not obtund we could not obtund you could not obtund they could not obtund	I could not be obtunding you could not be obtunding she could not be obtunding we could not be obtunding you could not be obtunding they could not be obtunding
Perfect	V-ing perfect
I could not have obtunded you could not have obtunded she could not have obtunded we could not have obtunded you could not have obtunded they could not have obtunded	I could not have been obtunding you could not have been obtunding she could not have been obtunding we could not have been obtunding you could not have been obtunding they could not have been obtunding

Interrogative form

Simple form	V-ing form
could I obtund? could you obtund? could she obtund? could we obtund? could you obtund? could they obtund?	could I be obtunding? could you be obtunding? could she be obtunding? could we be obtunding? could you be obtunding? could they be obtunding?
Perfect	V-ing perfect
could I have obtunded? could you have obtunded? could she have obtunded? could we have obtunded? could you have obtunded? could they have obtunded?	could I have been obtunding? could you have been obtunding? could she have been obtunding? could we have been obtunding? could you have been obtunding? could they have been obtunding?

Interro-negative form

Simple form	V-ing form
could I not obtund? could you not obtund? could she not obtund? could we not obtund? could you not obtund? could they not obtund?	could I not be obtunding? could you not be obtunding? could she not be obtunding? could we not be obtunding? could you not be obtunding? could they not be obtunding?
Perfect	V-ing perfect
could I not have obtunded? could you not have obtunded? could she not have obtunded? could we not have obtunded? could you not have obtunded? could they not have obtunded?	could I not have been obtunding? could you not have been obtunding? could she not have been obtunding? could we not have been obtunding? could you not have been obtunding? could they not have been obtunding?