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 could not sentimentalise you could not sentimentalise he could not sentimentalise we could not sentimentalise you could not sentimentalise they could not sentimentalise
V-ing form
I could not be sentimentalising you could not be sentimentalising he could not be sentimentalising we could not be sentimentalising you could not be sentimentalising they could not be sentimentalising
Perfect
I could not have sentimentalised you could not have sentimentalised he could not have sentimentalised we could not have sentimentalised you could not have sentimentalised they could not have sentimentalised
V-ing perfect
I could not have been sentimentalising you could not have been sentimentalising he could not have been sentimentalising we could not have been sentimentalising you could not have been sentimentalising they could not 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
could I not sentimentalise? could you not sentimentalise? could he not sentimentalise? could we not sentimentalise? could you not sentimentalise? could they not sentimentalise?
V-ing form
could I not be sentimentalising? could you not be sentimentalising? could he not be sentimentalising? could we not be sentimentalising? could you not be sentimentalising? could they not be sentimentalising?
Perfect
could I not have sentimentalised? could you not have sentimentalised? could he not have sentimentalised? could we not have sentimentalised? could you not have sentimentalised? could they not have sentimentalised?
V-ing perfect
could I not have been sentimentalising? could you not have been sentimentalising? could he not have been sentimentalising? could we not have been sentimentalising? could you not have been sentimentalising? could they not have been sentimentalising?