I could gutturalise you could gutturalise he could gutturalise we could gutturalise you could gutturalise they could gutturalise
V-ing form
I could be gutturalising you could be gutturalising he could be gutturalising we could be gutturalising you could be gutturalising they could be gutturalising
Perfect
I could have gutturalised you could have gutturalised he could have gutturalised we could have gutturalised you could have gutturalised they could have gutturalised
V-ing perfect
I could have been gutturalising you could have been gutturalising he could have been gutturalising we could have been gutturalising you could have been gutturalising they could have been gutturalising
Negation
Simple form
I could not gutturalise you could not gutturalise he could not gutturalise we could not gutturalise you could not gutturalise they could not gutturalise
V-ing form
I could not be gutturalising you could not be gutturalising he could not be gutturalising we could not be gutturalising you could not be gutturalising they could not be gutturalising
Perfect
I could not have gutturalised you could not have gutturalised he could not have gutturalised we could not have gutturalised you could not have gutturalised they could not have gutturalised
V-ing perfect
I could not have been gutturalising you could not have been gutturalising he could not have been gutturalising we could not have been gutturalising you could not have been gutturalising they could not have been gutturalising
Interrogative form
Simple form
could I gutturalise? could you gutturalise? could he gutturalise? could we gutturalise? could you gutturalise? could they gutturalise?
V-ing form
could I be gutturalising? could you be gutturalising? could he be gutturalising? could we be gutturalising? could you be gutturalising? could they be gutturalising?
Perfect
could I have gutturalised? could you have gutturalised? could he have gutturalised? could we have gutturalised? could you have gutturalised? could they have gutturalised?
V-ing perfect
could I have been gutturalising? could you have been gutturalising? could he have been gutturalising? could we have been gutturalising? could you have been gutturalising? could they have been gutturalising?
Interro-negative form
Simple form
could I not gutturalise? could you not gutturalise? could he not gutturalise? could we not gutturalise? could you not gutturalise? could they not gutturalise?
V-ing form
could I not be gutturalising? could you not be gutturalising? could he not be gutturalising? could we not be gutturalising? could you not be gutturalising? could they not be gutturalising?
Perfect
could I not have gutturalised? could you not have gutturalised? could he not have gutturalised? could we not have gutturalised? could you not have gutturalised? could they not have gutturalised?
V-ing perfect
could I not have been gutturalising? could you not have been gutturalising? could he not have been gutturalising? could we not have been gutturalising? could you not have been gutturalising? could they not have been gutturalising?