English verb conjugation
CAN SYSTEMATISE

Regular verb: systematise - systematised - systematised

Affirmation

Simple form	V-ing form
I can systematise you can systematise she can systematise we can systematise you can systematise they can systematise	I can be systematising you can be systematising she can be systematising we can be systematising you can be systematising they can be systematising
Perfect	V-ing perfect
I can have systematised you can have systematised she can have systematised we can have systematised you can have systematised they can have systematised	I can have been systematising you can have been systematising she can have been systematising we can have been systematising you can have been systematising they can have been systematising

Negation

Simple form	V-ing form
I cannot systematise you cannot systematise she cannot systematise we cannot systematise you cannot systematise they cannot systematise	I cannot be systematising you cannot be systematising she cannot be systematising we cannot be systematising you cannot be systematising they cannot be systematising
Perfect	V-ing perfect
I cannot have systematised you cannot have systematised she cannot have systematised we cannot have systematised you cannot have systematised they cannot have systematised	I cannot have been systematising you cannot have been systematising she cannot have been systematising we cannot have been systematising you cannot have been systematising they cannot have been systematising

Interrogative form

Simple form	V-ing form
can I systematise? can you systematise? can she systematise? can we systematise? can you systematise? can they systematise?	can I be systematising? can you be systematising? can she be systematising? can we be systematising? can you be systematising? can they be systematising?
Perfect	V-ing perfect
can I have systematised? can you have systematised? can she have systematised? can we have systematised? can you have systematised? can they have systematised?	can I have been systematising? can you have been systematising? can she have been systematising? can we have been systematising? can you have been systematising? can they have been systematising?

Interro-negative form

Simple form	V-ing form
can I not systematise? can you not systematise? can she not systematise? can we not systematise? can you not systematise? can they not systematise?	can I not be systematising? can you not be systematising? can she not be systematising? can we not be systematising? can you not be systematising? can they not be systematising?
Perfect	V-ing perfect
can I not have systematised? can you not have systematised? can she not have systematised? can we not have systematised? can you not have systematised? can they not have systematised?	can I not have been systematising? can you not have been systematising? can she not have been systematising? can we not have been systematising? can you not have been systematising? can they not have been systematising?