English verb conjugation
COULD TASSEL

Regular verb: tassel - tasseled - tasseled

Affirmation

Simple form	V-ing form
I could tassel you could tassel he could tassel we could tassel you could tassel they could tassel	I could be tasseling you could be tasseling he could be tasseling we could be tasseling you could be tasseling they could be tasseling
Perfect	V-ing perfect
I could have tasseled you could have tasseled he could have tasseled we could have tasseled you could have tasseled they could have tasseled	I could have been tasseling you could have been tasseling he could have been tasseling we could have been tasseling you could have been tasseling they could have been tasseling

Negation

Simple form	V-ing form
I couldn't tassel you couldn't tassel he couldn't tassel we couldn't tassel you couldn't tassel they couldn't tassel	I couldn't be tasseling you couldn't be tasseling he couldn't be tasseling we couldn't be tasseling you couldn't be tasseling they couldn't be tasseling
Perfect	V-ing perfect
I couldn't have tasseled you couldn't have tasseled he couldn't have tasseled we couldn't have tasseled you couldn't have tasseled they couldn't have tasseled	I couldn't have been tasseling you couldn't have been tasseling he couldn't have been tasseling we couldn't have been tasseling you couldn't have been tasseling they couldn't have been tasseling

Interrogative form

Simple form	V-ing form
could I tassel? could you tassel? could he tassel? could we tassel? could you tassel? could they tassel?	could I be tasseling? could you be tasseling? could he be tasseling? could we be tasseling? could you be tasseling? could they be tasseling?
Perfect	V-ing perfect
could I have tasseled? could you have tasseled? could he have tasseled? could we have tasseled? could you have tasseled? could they have tasseled?	could I have been tasseling? could you have been tasseling? could he have been tasseling? could we have been tasseling? could you have been tasseling? could they have been tasseling?

Interro-negative form

Simple form	V-ing form
couldn't I tassel? couldn't you tassel? couldn't he tassel? couldn't we tassel? couldn't you tassel? couldn't they tassel?	couldn't I be tasseling? couldn't you be tasseling? couldn't he be tasseling? couldn't we be tasseling? couldn't you be tasseling? couldn't they be tasseling?
Perfect	V-ing perfect
couldn't I have tasseled? couldn't you have tasseled? couldn't he have tasseled? couldn't we have tasseled? couldn't you have tasseled? couldn't they have tasseled?	couldn't I have been tasseling? couldn't you have been tasseling? couldn't he have been tasseling? couldn't we have been tasseling? couldn't you have been tasseling? couldn't they have been tasseling?