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 can't synthesise you can't synthesise he can't synthesise we can't synthesise you can't synthesise they can't synthesise	I can't be synthesising you can't be synthesising he can't be synthesising we can't be synthesising you can't be synthesising they can't be synthesising
Perfect	V-ing perfect
I can't have synthesised you can't have synthesised he can't have synthesised we can't have synthesised you can't have synthesised they can't have synthesised	I can't have been synthesising you can't have been synthesising he can't have been synthesising we can't have been synthesising you can't have been synthesising they can't 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't I synthesise? can't you synthesise? can't he synthesise? can't we synthesise? can't you synthesise? can't they synthesise?	can't I be synthesising? can't you be synthesising? can't he be synthesising? can't we be synthesising? can't you be synthesising? can't they be synthesising?
Perfect	V-ing perfect
can't I have synthesised? can't you have synthesised? can't he have synthesised? can't we have synthesised? can't you have synthesised? can't they have synthesised?	can't I have been synthesising? can't you have been synthesising? can't he have been synthesising? can't we have been synthesising? can't you have been synthesising? can't they have been synthesising?