English verb conjugation
CAN SYNTHESISE

Regular verb: synthesise - synthesised - synthesised

Affirmation

Simple form	V-ing form
I can synthesise you can synthesise he can synthesise we can synthesise you can synthesise they can synthesise	I can be synthesising you can be synthesising he can be synthesising we can be synthesising you can be synthesising they can be synthesising
Perfect	V-ing perfect
I can have synthesised you can have synthesised he can have synthesised we can have synthesised you can have synthesised they can have synthesised	I can have been synthesising you can have been synthesising he can have been synthesising we can have been synthesising you can have been synthesising they can have been synthesising

Negation

Simple form	V-ing form
I cannot synthesise you cannot synthesise he cannot synthesise we cannot synthesise you cannot synthesise they cannot synthesise	I cannot be synthesising you cannot be synthesising he cannot be synthesising we cannot be synthesising you cannot be synthesising they cannot be synthesising
Perfect	V-ing perfect
I cannot have synthesised you cannot have synthesised he cannot have synthesised we cannot have synthesised you cannot have synthesised they cannot have synthesised	I cannot have been synthesising you cannot have been synthesising he cannot have been synthesising we cannot have been synthesising you cannot have been synthesising they cannot have been synthesising

Interrogative form

Simple form	V-ing form
can I synthesise? can you synthesise? can he synthesise? can we synthesise? can you synthesise? can they synthesise?	can I be synthesising? can you be synthesising? can he be synthesising? can we be synthesising? can you be synthesising? can they be synthesising?
Perfect	V-ing perfect
can I have synthesised? can you have synthesised? can he have synthesised? can we have synthesised? can you have synthesised? can they have synthesised?	can I have been synthesising? can you have been synthesising? can he have been synthesising? can we have been synthesising? can you have been synthesising? can they have been synthesising?

Interro-negative form

Simple form	V-ing form
can I not synthesise? can you not synthesise? can he not synthesise? can we not synthesise? can you not synthesise? can they not synthesise?	can I not be synthesising? can you not be synthesising? can he not be synthesising? can we not be synthesising? can you not be synthesising? can they not be synthesising?
Perfect	V-ing perfect
can I not have synthesised? can you not have synthesised? can he not have synthesised? can we not have synthesised? can you not have synthesised? can they not have synthesised?	can I not have been synthesising? can you not have been synthesising? can he not have been synthesising? can we not have been synthesising? can you not have been synthesising? can they not have been synthesising?