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