male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD INSTIL
Regular verb: instil - instilled - instilled
Affirmation
Simple form
I could instilyou could instil
she could instil
we could instil
you could instil
they could instil
V-ing form
I could be instillingyou could be instilling
she could be instilling
we could be instilling
you could be instilling
they could be instilling
Perfect
I could have instilledyou could have instilled
she could have instilled
we could have instilled
you could have instilled
they could have instilled
V-ing perfect
I could have been instillingyou could have been instilling
she could have been instilling
we could have been instilling
you could have been instilling
they could have been instilling
Negation
Simple form
I couldn't instilyou couldn't instil
she couldn't instil
we couldn't instil
you couldn't instil
they couldn't instil
V-ing form
I couldn't be instillingyou couldn't be instilling
she couldn't be instilling
we couldn't be instilling
you couldn't be instilling
they couldn't be instilling
Perfect
I couldn't have instilledyou couldn't have instilled
she couldn't have instilled
we couldn't have instilled
you couldn't have instilled
they couldn't have instilled
V-ing perfect
I couldn't have been instillingyou couldn't have been instilling
she 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
could I instil?could you instil?
could she instil?
could we instil?
could you instil?
could they instil?
V-ing form
could I be instilling?could you be instilling?
could she be instilling?
could we be instilling?
could you be instilling?
could they be instilling?
Perfect
could I have instilled?could you have instilled?
could she have instilled?
could we have instilled?
could you have instilled?
could they have instilled?
V-ing perfect
could I have been instilling?could you have been instilling?
could she have been instilling?
could we have been instilling?
could you have been instilling?
could they have been instilling?
Interro-negative form
Simple form
couldn't I instil?couldn't you instil?
couldn't she instil?
couldn't we instil?
couldn't you instil?
couldn't they instil?
V-ing form
couldn't I be instilling?couldn't you be instilling?
couldn't she be instilling?
couldn't we be instilling?
couldn't you be instilling?
couldn't they be instilling?
Perfect
couldn't I have instilled?couldn't you have instilled?
couldn't she have instilled?
couldn't we have instilled?
couldn't you have instilled?
couldn't they have instilled?
V-ing perfect
couldn't I have been instilling?couldn't you have been instilling?
couldn't she have been instilling?
couldn't we have been instilling?
couldn't you have been instilling?
couldn't they have been instilling?