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 couldn't weatherise you couldn't weatherise he couldn't weatherise we couldn't weatherise you couldn't weatherise they couldn't weatherise	I couldn't be weatherising you couldn't be weatherising he couldn't be weatherising we couldn't be weatherising you couldn't be weatherising they couldn't be weatherising
Perfect	V-ing perfect
I couldn't have weatherised you couldn't have weatherised he couldn't have weatherised we couldn't have weatherised you couldn't have weatherised they couldn't have weatherised	I couldn't have been weatherising you couldn't have been weatherising he couldn't have been weatherising we couldn't have been weatherising you couldn't have been weatherising they couldn't 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
couldn't I weatherise? couldn't you weatherise? couldn't he weatherise? couldn't we weatherise? couldn't you weatherise? couldn't they weatherise?	couldn't I be weatherising? couldn't you be weatherising? couldn't he be weatherising? couldn't we be weatherising? couldn't you be weatherising? couldn't they be weatherising?
Perfect	V-ing perfect
couldn't I have weatherised? couldn't you have weatherised? couldn't he have weatherised? couldn't we have weatherised? couldn't you have weatherised? couldn't they have weatherised?	couldn't I have been weatherising? couldn't you have been weatherising? couldn't he have been weatherising? couldn't we have been weatherising? couldn't you have been weatherising? couldn't they have been weatherising?