English verb conjugation
COULD SERMONISE

Regular verb: sermonise - sermonised - sermonised

Affirmation

Simple form	V-ing form
I could sermonise you could sermonise he could sermonise we could sermonise you could sermonise they could sermonise	I could be sermonising you could be sermonising he could be sermonising we could be sermonising you could be sermonising they could be sermonising
Perfect	V-ing perfect
I could have sermonised you could have sermonised he could have sermonised we could have sermonised you could have sermonised they could have sermonised	I could have been sermonising you could have been sermonising he could have been sermonising we could have been sermonising you could have been sermonising they could have been sermonising

Negation

Simple form	V-ing form
I couldn't sermonise you couldn't sermonise he couldn't sermonise we couldn't sermonise you couldn't sermonise they couldn't sermonise	I couldn't be sermonising you couldn't be sermonising he couldn't be sermonising we couldn't be sermonising you couldn't be sermonising they couldn't be sermonising
Perfect	V-ing perfect
I couldn't have sermonised you couldn't have sermonised he couldn't have sermonised we couldn't have sermonised you couldn't have sermonised they couldn't have sermonised	I couldn't have been sermonising you couldn't have been sermonising he couldn't have been sermonising we couldn't have been sermonising you couldn't have been sermonising they couldn't have been sermonising

Interrogative form

Simple form	V-ing form
could I sermonise? could you sermonise? could he sermonise? could we sermonise? could you sermonise? could they sermonise?	could I be sermonising? could you be sermonising? could he be sermonising? could we be sermonising? could you be sermonising? could they be sermonising?
Perfect	V-ing perfect
could I have sermonised? could you have sermonised? could he have sermonised? could we have sermonised? could you have sermonised? could they have sermonised?	could I have been sermonising? could you have been sermonising? could he have been sermonising? could we have been sermonising? could you have been sermonising? could they have been sermonising?

Interro-negative form

Simple form	V-ing form
couldn't I sermonise? couldn't you sermonise? couldn't he sermonise? couldn't we sermonise? couldn't you sermonise? couldn't they sermonise?	couldn't I be sermonising? couldn't you be sermonising? couldn't he be sermonising? couldn't we be sermonising? couldn't you be sermonising? couldn't they be sermonising?
Perfect	V-ing perfect
couldn't I have sermonised? couldn't you have sermonised? couldn't he have sermonised? couldn't we have sermonised? couldn't you have sermonised? couldn't they have sermonised?	couldn't I have been sermonising? couldn't you have been sermonising? couldn't he have been sermonising? couldn't we have been sermonising? couldn't you have been sermonising? couldn't they have been sermonising?