English verb conjugation
COULD UNDEREMPHASISE

Regular verb: underemphasise - underemphasised - underemphasised

Affirmation

Simple form	V-ing form
I could underemphasise you could underemphasise he could underemphasise we could underemphasise you could underemphasise they could underemphasise	I could be underemphasising you could be underemphasising he could be underemphasising we could be underemphasising you could be underemphasising they could be underemphasising
Perfect	V-ing perfect
I could have underemphasised you could have underemphasised he could have underemphasised we could have underemphasised you could have underemphasised they could have underemphasised	I could have been underemphasising you could have been underemphasising he could have been underemphasising we could have been underemphasising you could have been underemphasising they could have been underemphasising

Negation

Simple form	V-ing form
I couldn't underemphasise you couldn't underemphasise he couldn't underemphasise we couldn't underemphasise you couldn't underemphasise they couldn't underemphasise	I couldn't be underemphasising you couldn't be underemphasising he couldn't be underemphasising we couldn't be underemphasising you couldn't be underemphasising they couldn't be underemphasising
Perfect	V-ing perfect
I couldn't have underemphasised you couldn't have underemphasised he couldn't have underemphasised we couldn't have underemphasised you couldn't have underemphasised they couldn't have underemphasised	I couldn't have been underemphasising you couldn't have been underemphasising he couldn't have been underemphasising we couldn't have been underemphasising you couldn't have been underemphasising they couldn't have been underemphasising

Interrogative form

Simple form	V-ing form
could I underemphasise? could you underemphasise? could he underemphasise? could we underemphasise? could you underemphasise? could they underemphasise?	could I be underemphasising? could you be underemphasising? could he be underemphasising? could we be underemphasising? could you be underemphasising? could they be underemphasising?
Perfect	V-ing perfect
could I have underemphasised? could you have underemphasised? could he have underemphasised? could we have underemphasised? could you have underemphasised? could they have underemphasised?	could I have been underemphasising? could you have been underemphasising? could he have been underemphasising? could we have been underemphasising? could you have been underemphasising? could they have been underemphasising?

Interro-negative form

Simple form	V-ing form
couldn't I underemphasise? couldn't you underemphasise? couldn't he underemphasise? couldn't we underemphasise? couldn't you underemphasise? couldn't they underemphasise?	couldn't I be underemphasising? couldn't you be underemphasising? couldn't he be underemphasising? couldn't we be underemphasising? couldn't you be underemphasising? couldn't they be underemphasising?
Perfect	V-ing perfect
couldn't I have underemphasised? couldn't you have underemphasised? couldn't he have underemphasised? couldn't we have underemphasised? couldn't you have underemphasised? couldn't they have underemphasised?	couldn't I have been underemphasising? couldn't you have been underemphasising? couldn't he have been underemphasising? couldn't we have been underemphasising? couldn't you have been underemphasising? couldn't they have been underemphasising?