English verb conjugation
CAN CURDLE

Regular verb: curdle - curdled - curdled

Affirmation

Simple form	V-ing form
I can curdle you can curdle he can curdle we can curdle you can curdle they can curdle	I can be curdling you can be curdling he can be curdling we can be curdling you can be curdling they can be curdling
Perfect	V-ing perfect
I can have curdled you can have curdled he can have curdled we can have curdled you can have curdled they can have curdled	I can have been curdling you can have been curdling he can have been curdling we can have been curdling you can have been curdling they can have been curdling

Negation

Simple form	V-ing form
I cannot curdle you cannot curdle he cannot curdle we cannot curdle you cannot curdle they cannot curdle	I cannot be curdling you cannot be curdling he cannot be curdling we cannot be curdling you cannot be curdling they cannot be curdling
Perfect	V-ing perfect
I cannot have curdled you cannot have curdled he cannot have curdled we cannot have curdled you cannot have curdled they cannot have curdled	I cannot have been curdling you cannot have been curdling he cannot have been curdling we cannot have been curdling you cannot have been curdling they cannot have been curdling

Interrogative form

Simple form	V-ing form
can I curdle? can you curdle? can he curdle? can we curdle? can you curdle? can they curdle?	can I be curdling? can you be curdling? can he be curdling? can we be curdling? can you be curdling? can they be curdling?
Perfect	V-ing perfect
can I have curdled? can you have curdled? can he have curdled? can we have curdled? can you have curdled? can they have curdled?	can I have been curdling? can you have been curdling? can he have been curdling? can we have been curdling? can you have been curdling? can they have been curdling?

Interro-negative form

Simple form	V-ing form
can I not curdle? can you not curdle? can he not curdle? can we not curdle? can you not curdle? can they not curdle?	can I not be curdling? can you not be curdling? can he not be curdling? can we not be curdling? can you not be curdling? can they not be curdling?
Perfect	V-ing perfect
can I not have curdled? can you not have curdled? can he not have curdled? can we not have curdled? can you not have curdled? can they not have curdled?	can I not have been curdling? can you not have been curdling? can he not have been curdling? can we not have been curdling? can you not have been curdling? can they not have been curdling?