English verb conjugation
COULD LUTEINISE

Regular verb: luteinise - luteinised - luteinised

Affirmation

Simple form	V-ing form
I could luteinise you could luteinise he could luteinise we could luteinise you could luteinise they could luteinise	I could be luteinising you could be luteinising he could be luteinising we could be luteinising you could be luteinising they could be luteinising
Perfect	V-ing perfect
I could have luteinised you could have luteinised he could have luteinised we could have luteinised you could have luteinised they could have luteinised	I could have been luteinising you could have been luteinising he could have been luteinising we could have been luteinising you could have been luteinising they could have been luteinising

Negation

Simple form	V-ing form
I couldn't luteinise you couldn't luteinise he couldn't luteinise we couldn't luteinise you couldn't luteinise they couldn't luteinise	I couldn't be luteinising you couldn't be luteinising he couldn't be luteinising we couldn't be luteinising you couldn't be luteinising they couldn't be luteinising
Perfect	V-ing perfect
I couldn't have luteinised you couldn't have luteinised he couldn't have luteinised we couldn't have luteinised you couldn't have luteinised they couldn't have luteinised	I couldn't have been luteinising you couldn't have been luteinising he couldn't have been luteinising we couldn't have been luteinising you couldn't have been luteinising they couldn't have been luteinising

Interrogative form

Simple form	V-ing form
could I luteinise? could you luteinise? could he luteinise? could we luteinise? could you luteinise? could they luteinise?	could I be luteinising? could you be luteinising? could he be luteinising? could we be luteinising? could you be luteinising? could they be luteinising?
Perfect	V-ing perfect
could I have luteinised? could you have luteinised? could he have luteinised? could we have luteinised? could you have luteinised? could they have luteinised?	could I have been luteinising? could you have been luteinising? could he have been luteinising? could we have been luteinising? could you have been luteinising? could they have been luteinising?

Interro-negative form

Simple form	V-ing form
couldn't I luteinise? couldn't you luteinise? couldn't he luteinise? couldn't we luteinise? couldn't you luteinise? couldn't they luteinise?	couldn't I be luteinising? couldn't you be luteinising? couldn't he be luteinising? couldn't we be luteinising? couldn't you be luteinising? couldn't they be luteinising?
Perfect	V-ing perfect
couldn't I have luteinised? couldn't you have luteinised? couldn't he have luteinised? couldn't we have luteinised? couldn't you have luteinised? couldn't they have luteinised?	couldn't I have been luteinising? couldn't you have been luteinising? couldn't he have been luteinising? couldn't we have been luteinising? couldn't you have been luteinising? couldn't they have been luteinising?