I could interhybridise you could interhybridise he could interhybridise we could interhybridise you could interhybridise they could interhybridise
V-ing form
I could be interhybridising you could be interhybridising he could be interhybridising we could be interhybridising you could be interhybridising they could be interhybridising
Perfect
I could have interhybridised you could have interhybridised he could have interhybridised we could have interhybridised you could have interhybridised they could have interhybridised
V-ing perfect
I could have been interhybridising you could have been interhybridising he could have been interhybridising we could have been interhybridising you could have been interhybridising they could have been interhybridising
Negation
Simple form
I couldn't interhybridise you couldn't interhybridise he couldn't interhybridise we couldn't interhybridise you couldn't interhybridise they couldn't interhybridise
V-ing form
I couldn't be interhybridising you couldn't be interhybridising he couldn't be interhybridising we couldn't be interhybridising you couldn't be interhybridising they couldn't be interhybridising
Perfect
I couldn't have interhybridised you couldn't have interhybridised he couldn't have interhybridised we couldn't have interhybridised you couldn't have interhybridised they couldn't have interhybridised
V-ing perfect
I couldn't have been interhybridising you couldn't have been interhybridising he couldn't have been interhybridising we couldn't have been interhybridising you couldn't have been interhybridising they couldn't have been interhybridising
Interrogative form
Simple form
could I interhybridise? could you interhybridise? could he interhybridise? could we interhybridise? could you interhybridise? could they interhybridise?
V-ing form
could I be interhybridising? could you be interhybridising? could he be interhybridising? could we be interhybridising? could you be interhybridising? could they be interhybridising?
Perfect
could I have interhybridised? could you have interhybridised? could he have interhybridised? could we have interhybridised? could you have interhybridised? could they have interhybridised?
V-ing perfect
could I have been interhybridising? could you have been interhybridising? could he have been interhybridising? could we have been interhybridising? could you have been interhybridising? could they have been interhybridising?
Interro-negative form
Simple form
couldn't I interhybridise? couldn't you interhybridise? couldn't he interhybridise? couldn't we interhybridise? couldn't you interhybridise? couldn't they interhybridise?
V-ing form
couldn't I be interhybridising? couldn't you be interhybridising? couldn't he be interhybridising? couldn't we be interhybridising? couldn't you be interhybridising? couldn't they be interhybridising?
Perfect
couldn't I have interhybridised? couldn't you have interhybridised? couldn't he have interhybridised? couldn't we have interhybridised? couldn't you have interhybridised? couldn't they have interhybridised?
V-ing perfect
couldn't I have been interhybridising? couldn't you have been interhybridising? couldn't he have been interhybridising? couldn't we have been interhybridising? couldn't you have been interhybridising? couldn't they have been interhybridising?