I could conservatise you could conservatise he could conservatise we could conservatise you could conservatise they could conservatise
V-ing form
I could be conservatising you could be conservatising he could be conservatising we could be conservatising you could be conservatising they could be conservatising
Perfect
I could have conservatised you could have conservatised he could have conservatised we could have conservatised you could have conservatised they could have conservatised
V-ing perfect
I could have been conservatising you could have been conservatising he could have been conservatising we could have been conservatising you could have been conservatising they could have been conservatising
Negation
Simple form
I could not conservatise you could not conservatise he could not conservatise we could not conservatise you could not conservatise they could not conservatise
V-ing form
I could not be conservatising you could not be conservatising he could not be conservatising we could not be conservatising you could not be conservatising they could not be conservatising
Perfect
I could not have conservatised you could not have conservatised he could not have conservatised we could not have conservatised you could not have conservatised they could not have conservatised
V-ing perfect
I could not have been conservatising you could not have been conservatising he could not have been conservatising we could not have been conservatising you could not have been conservatising they could not have been conservatising
Interrogative form
Simple form
could I conservatise? could you conservatise? could he conservatise? could we conservatise? could you conservatise? could they conservatise?
V-ing form
could I be conservatising? could you be conservatising? could he be conservatising? could we be conservatising? could you be conservatising? could they be conservatising?
Perfect
could I have conservatised? could you have conservatised? could he have conservatised? could we have conservatised? could you have conservatised? could they have conservatised?
V-ing perfect
could I have been conservatising? could you have been conservatising? could he have been conservatising? could we have been conservatising? could you have been conservatising? could they have been conservatising?
Interro-negative form
Simple form
could I not conservatise? could you not conservatise? could he not conservatise? could we not conservatise? could you not conservatise? could they not conservatise?
V-ing form
could I not be conservatising? could you not be conservatising? could he not be conservatising? could we not be conservatising? could you not be conservatising? could they not be conservatising?
Perfect
could I not have conservatised? could you not have conservatised? could he not have conservatised? could we not have conservatised? could you not have conservatised? could they not have conservatised?
V-ing perfect
could I not have been conservatising? could you not have been conservatising? could he not have been conservatising? could we not have been conservatising? could you not have been conservatising? could they not have been conservatising?