I can underemphasise you can underemphasise she can underemphasise we can underemphasise you can underemphasise they can underemphasise
V-ing form
I can be underemphasising you can be underemphasising she can be underemphasising we can be underemphasising you can be underemphasising they can be underemphasising
Perfect
I can have underemphasised you can have underemphasised she can have underemphasised we can have underemphasised you can have underemphasised they can have underemphasised
V-ing perfect
I can have been underemphasising you can have been underemphasising she can have been underemphasising we can have been underemphasising you can have been underemphasising they can have been underemphasising
Negation
Simple form
I can't underemphasise you can't underemphasise she can't underemphasise we can't underemphasise you can't underemphasise they can't underemphasise
V-ing form
I can't be underemphasising you can't be underemphasising she can't be underemphasising we can't be underemphasising you can't be underemphasising they can't be underemphasising
Perfect
I can't have underemphasised you can't have underemphasised she can't have underemphasised we can't have underemphasised you can't have underemphasised they can't have underemphasised
V-ing perfect
I can't have been underemphasising you can't have been underemphasising she can't have been underemphasising we can't have been underemphasising you can't have been underemphasising they can't have been underemphasising
Interrogative form
Simple form
can I underemphasise? can you underemphasise? can she underemphasise? can we underemphasise? can you underemphasise? can they underemphasise?
V-ing form
can I be underemphasising? can you be underemphasising? can she be underemphasising? can we be underemphasising? can you be underemphasising? can they be underemphasising?
Perfect
can I have underemphasised? can you have underemphasised? can she have underemphasised? can we have underemphasised? can you have underemphasised? can they have underemphasised?
V-ing perfect
can I have been underemphasising? can you have been underemphasising? can she have been underemphasising? can we have been underemphasising? can you have been underemphasising? can they have been underemphasising?
Interro-negative form
Simple form
can't I underemphasise? can't you underemphasise? can't she underemphasise? can't we underemphasise? can't you underemphasise? can't they underemphasise?
V-ing form
can't I be underemphasising? can't you be underemphasising? can't she be underemphasising? can't we be underemphasising? can't you be underemphasising? can't they be underemphasising?
Perfect
can't I have underemphasised? can't you have underemphasised? can't she have underemphasised? can't we have underemphasised? can't you have underemphasised? can't they have underemphasised?
V-ing perfect
can't I have been underemphasising? can't you have been underemphasising? can't she have been underemphasising? can't we have been underemphasising? can't you have been underemphasising? can't they have been underemphasising?