English verb conjugation
COULD INSTIL

Regular verb: instil - instilled - instilled

Affirmation

Simple form	V-ing form
I could instil you could instil he could instil we could instil you could instil they could instil	I could be instilling you could be instilling he could be instilling we could be instilling you could be instilling they could be instilling
Perfect	V-ing perfect
I could have instilled you could have instilled he could have instilled we could have instilled you could have instilled they could have instilled	I could have been instilling you could have been instilling he could have been instilling we could have been instilling you could have been instilling they could have been instilling

Negation

Simple form	V-ing form
I couldn't instil you couldn't instil he couldn't instil we couldn't instil you couldn't instil they couldn't instil	I couldn't be instilling you couldn't be instilling he couldn't be instilling we couldn't be instilling you couldn't be instilling they couldn't be instilling
Perfect	V-ing perfect
I couldn't have instilled you couldn't have instilled he couldn't have instilled we couldn't have instilled you couldn't have instilled they couldn't have instilled	I couldn't have been instilling you couldn't have been instilling he couldn't have been instilling we couldn't have been instilling you couldn't have been instilling they couldn't have been instilling

Interrogative form

Simple form	V-ing form
could I instil? could you instil? could he instil? could we instil? could you instil? could they instil?	could I be instilling? could you be instilling? could he be instilling? could we be instilling? could you be instilling? could they be instilling?
Perfect	V-ing perfect
could I have instilled? could you have instilled? could he have instilled? could we have instilled? could you have instilled? could they have instilled?	could I have been instilling? could you have been instilling? could he have been instilling? could we have been instilling? could you have been instilling? could they have been instilling?

Interro-negative form

Simple form	V-ing form
couldn't I instil? couldn't you instil? couldn't he instil? couldn't we instil? couldn't you instil? couldn't they instil?	couldn't I be instilling? couldn't you be instilling? couldn't he be instilling? couldn't we be instilling? couldn't you be instilling? couldn't they be instilling?
Perfect	V-ing perfect
couldn't I have instilled? couldn't you have instilled? couldn't he have instilled? couldn't we have instilled? couldn't you have instilled? couldn't they have instilled?	couldn't I have been instilling? couldn't you have been instilling? couldn't he have been instilling? couldn't we have been instilling? couldn't you have been instilling? couldn't they have been instilling?