English verb conjugation
COULD WEATHERISE

Regular verb: weatherise - weatherised - weatherised

Affirmation

Simple form	V-ing form
I could weatherise you could weatherise he could weatherise we could weatherise you could weatherise they could weatherise	I could be weatherising you could be weatherising he could be weatherising we could be weatherising you could be weatherising they could be weatherising
Perfect	V-ing perfect
I could have weatherised you could have weatherised he could have weatherised we could have weatherised you could have weatherised they could have weatherised	I could have been weatherising you could have been weatherising he could have been weatherising we could have been weatherising you could have been weatherising they could have been weatherising

Negation

Simple form	V-ing form
I could not weatherise you could not weatherise he could not weatherise we could not weatherise you could not weatherise they could not weatherise	I could not be weatherising you could not be weatherising he could not be weatherising we could not be weatherising you could not be weatherising they could not be weatherising
Perfect	V-ing perfect
I could not have weatherised you could not have weatherised he could not have weatherised we could not have weatherised you could not have weatherised they could not have weatherised	I could not have been weatherising you could not have been weatherising he could not have been weatherising we could not have been weatherising you could not have been weatherising they could not have been weatherising

Interrogative form

Simple form	V-ing form
could I weatherise? could you weatherise? could he weatherise? could we weatherise? could you weatherise? could they weatherise?	could I be weatherising? could you be weatherising? could he be weatherising? could we be weatherising? could you be weatherising? could they be weatherising?
Perfect	V-ing perfect
could I have weatherised? could you have weatherised? could he have weatherised? could we have weatherised? could you have weatherised? could they have weatherised?	could I have been weatherising? could you have been weatherising? could he have been weatherising? could we have been weatherising? could you have been weatherising? could they have been weatherising?

Interro-negative form

Simple form	V-ing form
could I not weatherise? could you not weatherise? could he not weatherise? could we not weatherise? could you not weatherise? could they not weatherise?	could I not be weatherising? could you not be weatherising? could he not be weatherising? could we not be weatherising? could you not be weatherising? could they not be weatherising?
Perfect	V-ing perfect
could I not have weatherised? could you not have weatherised? could he not have weatherised? could we not have weatherised? could you not have weatherised? could they not have weatherised?	could I not have been weatherising? could you not have been weatherising? could he not have been weatherising? could we not have been weatherising? could you not have been weatherising? could they not have been weatherising?