English verb conjugation
COULD CHASTISE

Regular verb: chastise - chastised - chastised

Affirmation

Simple form	V-ing form
I could chastise you could chastise he could chastise we could chastise you could chastise they could chastise	I could be chastising you could be chastising he could be chastising we could be chastising you could be chastising they could be chastising
Perfect	V-ing perfect
I could have chastised you could have chastised he could have chastised we could have chastised you could have chastised they could have chastised	I could have been chastising you could have been chastising he could have been chastising we could have been chastising you could have been chastising they could have been chastising

Negation

Simple form	V-ing form
I couldn't chastise you couldn't chastise he couldn't chastise we couldn't chastise you couldn't chastise they couldn't chastise	I couldn't be chastising you couldn't be chastising he couldn't be chastising we couldn't be chastising you couldn't be chastising they couldn't be chastising
Perfect	V-ing perfect
I couldn't have chastised you couldn't have chastised he couldn't have chastised we couldn't have chastised you couldn't have chastised they couldn't have chastised	I couldn't have been chastising you couldn't have been chastising he couldn't have been chastising we couldn't have been chastising you couldn't have been chastising they couldn't have been chastising

Interrogative form

Simple form	V-ing form
could I chastise? could you chastise? could he chastise? could we chastise? could you chastise? could they chastise?	could I be chastising? could you be chastising? could he be chastising? could we be chastising? could you be chastising? could they be chastising?
Perfect	V-ing perfect
could I have chastised? could you have chastised? could he have chastised? could we have chastised? could you have chastised? could they have chastised?	could I have been chastising? could you have been chastising? could he have been chastising? could we have been chastising? could you have been chastising? could they have been chastising?

Interro-negative form

Simple form	V-ing form
couldn't I chastise? couldn't you chastise? couldn't he chastise? couldn't we chastise? couldn't you chastise? couldn't they chastise?	couldn't I be chastising? couldn't you be chastising? couldn't he be chastising? couldn't we be chastising? couldn't you be chastising? couldn't they be chastising?
Perfect	V-ing perfect
couldn't I have chastised? couldn't you have chastised? couldn't he have chastised? couldn't we have chastised? couldn't you have chastised? couldn't they have chastised?	couldn't I have been chastising? couldn't you have been chastising? couldn't he have been chastising? couldn't we have been chastising? couldn't you have been chastising? couldn't they have been chastising?