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