English verb conjugation COULD TIMETABLE

Regular verb: timetable - timetabled - timetabled

Affirmation

Simple form

I could timetable
you could timetable
he could timetable
we could timetable
you could timetable
they could timetable

V-ing form

I could be timetabling
you could be timetabling
he could be timetabling
we could be timetabling
you could be timetabling
they could be timetabling

Perfect

I could have timetabled
you could have timetabled
he could have timetabled
we could have timetabled
you could have timetabled
they could have timetabled

V-ing perfect

I could have been timetabling
you could have been timetabling
he could have been timetabling
we could have been timetabling
you could have been timetabling
they could have been timetabling

Negation

Simple form

I couldn't timetable
you couldn't timetable
he couldn't timetable
we couldn't timetable
you couldn't timetable
they couldn't timetable

V-ing form

I couldn't be timetabling
you couldn't be timetabling
he couldn't be timetabling
we couldn't be timetabling
you couldn't be timetabling
they couldn't be timetabling

Perfect

I couldn't have timetabled
you couldn't have timetabled
he couldn't have timetabled
we couldn't have timetabled
you couldn't have timetabled
they couldn't have timetabled

V-ing perfect

I couldn't have been timetabling
you couldn't have been timetabling
he couldn't have been timetabling
we couldn't have been timetabling
you couldn't have been timetabling
they couldn't have been timetabling

Interrogative form

Simple form

could I timetable?
could you timetable?
could he timetable?
could we timetable?
could you timetable?
could they timetable?

V-ing form

could I be timetabling?
could you be timetabling?
could he be timetabling?
could we be timetabling?
could you be timetabling?
could they be timetabling?

Perfect

could I have timetabled?
could you have timetabled?
could he have timetabled?
could we have timetabled?
could you have timetabled?
could they have timetabled?

V-ing perfect

could I have been timetabling?
could you have been timetabling?
could he have been timetabling?
could we have been timetabling?
could you have been timetabling?
could they have been timetabling?

Interro-negative form

Simple form

couldn't I timetable?
couldn't you timetable?
couldn't he timetable?
couldn't we timetable?
couldn't you timetable?
couldn't they timetable?

V-ing form

couldn't I be timetabling?
couldn't you be timetabling?
couldn't he be timetabling?
couldn't we be timetabling?
couldn't you be timetabling?
couldn't they be timetabling?

Perfect

couldn't I have timetabled?
couldn't you have timetabled?
couldn't he have timetabled?
couldn't we have timetabled?
couldn't you have timetabled?
couldn't they have timetabled?

V-ing perfect

couldn't I have been timetabling?
couldn't you have been timetabling?
couldn't he have been timetabling?
couldn't we have been timetabling?
couldn't you have been timetabling?
couldn't they have been timetabling?

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