Conjugación del verbo inglés
COULD SYNTHESISE

Verbo regular: synthesise - synthesised - synthesised

Afirmación

Forma simple	Forma con V-ing
I could synthesise you could synthesise he could synthesise we could synthesise you could synthesise they could synthesise	I could be synthesising you could be synthesising he could be synthesising we could be synthesising you could be synthesising they could be synthesising
Perfecto	Perfecto con V-ing
I could have synthesised you could have synthesised he could have synthesised we could have synthesised you could have synthesised they could have synthesised	I could have been synthesising you could have been synthesising he could have been synthesising we could have been synthesising you could have been synthesising they could have been synthesising

Negación

Forma simple	Forma con V-ing
I could not synthesise you could not synthesise he could not synthesise we could not synthesise you could not synthesise they could not synthesise	I could not be synthesising you could not be synthesising he could not be synthesising we could not be synthesising you could not be synthesising they could not be synthesising
Perfecto	Perfecto con V-ing
I could not have synthesised you could not have synthesised he could not have synthesised we could not have synthesised you could not have synthesised they could not have synthesised	I could not have been synthesising you could not have been synthesising he could not have been synthesising we could not have been synthesising you could not have been synthesising they could not have been synthesising

Forma interrogativa

Forma simple	Forma con V-ing
could I synthesise? could you synthesise? could he synthesise? could we synthesise? could you synthesise? could they synthesise?	could I be synthesising? could you be synthesising? could he be synthesising? could we be synthesising? could you be synthesising? could they be synthesising?
Perfecto	Perfecto con V-ing
could I have synthesised? could you have synthesised? could he have synthesised? could we have synthesised? could you have synthesised? could they have synthesised?	could I have been synthesising? could you have been synthesising? could he have been synthesising? could we have been synthesising? could you have been synthesising? could they have been synthesising?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not synthesise? could you not synthesise? could he not synthesise? could we not synthesise? could you not synthesise? could they not synthesise?	could I not be synthesising? could you not be synthesising? could he not be synthesising? could we not be synthesising? could you not be synthesising? could they not be synthesising?
Perfecto	Perfecto con V-ing
could I not have synthesised? could you not have synthesised? could he not have synthesised? could we not have synthesised? could you not have synthesised? could they not have synthesised?	could I not have been synthesising? could you not have been synthesising? could he not have been synthesising? could we not have been synthesising? could you not have been synthesising? could they not have been synthesising?