I can singularise you can singularise he can singularise we can singularise you can singularise they can singularise
V-ing form
I can be singularising you can be singularising he can be singularising we can be singularising you can be singularising they can be singularising
Perfect
I can have singularised you can have singularised he can have singularised we can have singularised you can have singularised they can have singularised
V-ing perfect
I can have been singularising you can have been singularising he can have been singularising we can have been singularising you can have been singularising they can have been singularising
Negation
Simple form
I can't singularise you can't singularise he can't singularise we can't singularise you can't singularise they can't singularise
V-ing form
I can't be singularising you can't be singularising he can't be singularising we can't be singularising you can't be singularising they can't be singularising
Perfect
I can't have singularised you can't have singularised he can't have singularised we can't have singularised you can't have singularised they can't have singularised
V-ing perfect
I can't have been singularising you can't have been singularising he can't have been singularising we can't have been singularising you can't have been singularising they can't have been singularising
Interrogative form
Simple form
can I singularise? can you singularise? can he singularise? can we singularise? can you singularise? can they singularise?
V-ing form
can I be singularising? can you be singularising? can he be singularising? can we be singularising? can you be singularising? can they be singularising?
Perfect
can I have singularised? can you have singularised? can he have singularised? can we have singularised? can you have singularised? can they have singularised?
V-ing perfect
can I have been singularising? can you have been singularising? can he have been singularising? can we have been singularising? can you have been singularising? can they have been singularising?
Interro-negative form
Simple form
can't I singularise? can't you singularise? can't he singularise? can't we singularise? can't you singularise? can't they singularise?
V-ing form
can't I be singularising? can't you be singularising? can't he be singularising? can't we be singularising? can't you be singularising? can't they be singularising?
Perfect
can't I have singularised? can't you have singularised? can't he have singularised? can't we have singularised? can't you have singularised? can't they have singularised?
V-ing perfect
can't I have been singularising? can't you have been singularising? can't he have been singularising? can't we have been singularising? can't you have been singularising? can't they have been singularising?