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