English verb conjugation
COULD SANITISE

Regular verb: sanitise - sanitised - sanitised

Affirmation

Simple form	V-ing form
I could sanitise you could sanitise he could sanitise we could sanitise you could sanitise they could sanitise	I could be sanitising you could be sanitising he could be sanitising we could be sanitising you could be sanitising they could be sanitising
Perfect	V-ing perfect
I could have sanitised you could have sanitised he could have sanitised we could have sanitised you could have sanitised they could have sanitised	I could have been sanitising you could have been sanitising he could have been sanitising we could have been sanitising you could have been sanitising they could have been sanitising

Negation

Simple form	V-ing form
I couldn't sanitise you couldn't sanitise he couldn't sanitise we couldn't sanitise you couldn't sanitise they couldn't sanitise	I couldn't be sanitising you couldn't be sanitising he couldn't be sanitising we couldn't be sanitising you couldn't be sanitising they couldn't be sanitising
Perfect	V-ing perfect
I couldn't have sanitised you couldn't have sanitised he couldn't have sanitised we couldn't have sanitised you couldn't have sanitised they couldn't have sanitised	I couldn't have been sanitising you couldn't have been sanitising he couldn't have been sanitising we couldn't have been sanitising you couldn't have been sanitising they couldn't have been sanitising

Interrogative form

Simple form	V-ing form
could I sanitise? could you sanitise? could he sanitise? could we sanitise? could you sanitise? could they sanitise?	could I be sanitising? could you be sanitising? could he be sanitising? could we be sanitising? could you be sanitising? could they be sanitising?
Perfect	V-ing perfect
could I have sanitised? could you have sanitised? could he have sanitised? could we have sanitised? could you have sanitised? could they have sanitised?	could I have been sanitising? could you have been sanitising? could he have been sanitising? could we have been sanitising? could you have been sanitising? could they have been sanitising?

Interro-negative form

Simple form	V-ing form
couldn't I sanitise? couldn't you sanitise? couldn't he sanitise? couldn't we sanitise? couldn't you sanitise? couldn't they sanitise?	couldn't I be sanitising? couldn't you be sanitising? couldn't he be sanitising? couldn't we be sanitising? couldn't you be sanitising? couldn't they be sanitising?
Perfect	V-ing perfect
couldn't I have sanitised? couldn't you have sanitised? couldn't he have sanitised? couldn't we have sanitised? couldn't you have sanitised? couldn't they have sanitised?	couldn't I have been sanitising? couldn't you have been sanitising? couldn't he have been sanitising? couldn't we have been sanitising? couldn't you have been sanitising? couldn't they have been sanitising?