can diphthongise
Verbo regular: diphthongise - diphthongised- diphthongised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can diphthongise
you can diphthongise
he can diphthongise
we can diphthongise
you can diphthongise
they can diphthongise 	I can be diphthongising
you can be diphthongising
he can be diphthongising
we can be diphthongising
you can be diphthongising
they can be diphthongising	I can have diphthongised
you can have diphthongised
he can have diphthongised
we can have diphthongised
you can have diphthongised
they can have diphthongised	I can have been diphthongising
you can have been diphthongising
he can have been diphthongising
we can have been diphthongising
you can have been diphthongising
they can have been diphthongising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot diphthongise
you cannot diphthongise
he cannot diphthongise
we cannot diphthongise
you cannot diphthongise
they cannot diphthongise 	I cannot be diphthongising
you cannot be diphthongising
he cannot be diphthongising
we cannot be diphthongising
you cannot be diphthongising
they cannot be diphthongising	I cannot have diphthongised
you cannot have diphthongised
he cannot have diphthongised
we cannot have diphthongised
you cannot have diphthongised
they cannot have diphthongised	I cannot have been diphthongising
you cannot have been diphthongising
he cannot have been diphthongising
we cannot have been diphthongising
you cannot have been diphthongising
they cannot have been diphthongising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I diphthongise?
can you diphthongise?
can he diphthongise?
can we diphthongise?
can you diphthongise?
can they diphthongise? 	can I be diphthongising?
can you be diphthongising?
can he be diphthongising?
can we be diphthongising?
can you be diphthongising?
can they be diphthongising? 	can I have diphthongised?
can you have diphthongised?
can he have diphthongised?
can we have diphthongised?
can you have diphthongised?
can they have diphthongised? 	can I have been diphthongising?
can you have been diphthongising?
can he have been diphthongising?
can we have been diphthongising?
can you have been diphthongising?
can they have been diphthongising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not diphthongise?
can you not diphthongise?
can he not diphthongise?
can we not diphthongise?
can you not diphthongise?
can they not diphthongise? 	can I not be diphthongising?
can you not be diphthongising?
can he not be diphthongising?
can we not be diphthongising?
can you not be diphthongising?
can they not be diphthongising? 	can I not have diphthongised?
can you not have diphthongised?
can he not have diphthongised?
can we not have diphthongised?
can you not have diphthongised?
can they not have diphthongised? 	can I not have been diphthongising?
can you not have been diphthongising?
can he not have been diphthongising?
can we not have been diphthongising?
can you not have been diphthongising?
can they not have been diphthongising?