English verb conjugation CAN UNDERLINE

Regular verb: underline - underlined - underlined

Affirmation

Simple form

I can underline
you can underline
he can underline
we can underline
you can underline
they can underline

V-ing form

I can be underlining
you can be underlining
he can be underlining
we can be underlining
you can be underlining
they can be underlining

Perfect

I can have underlined
you can have underlined
he can have underlined
we can have underlined
you can have underlined
they can have underlined

V-ing perfect

I can have been underlining
you can have been underlining
he can have been underlining
we can have been underlining
you can have been underlining
they can have been underlining

Negation

Simple form

I can't underline
you can't underline
he can't underline
we can't underline
you can't underline
they can't underline

V-ing form

I can't be underlining
you can't be underlining
he can't be underlining
we can't be underlining
you can't be underlining
they can't be underlining

Perfect

I can't have underlined
you can't have underlined
he can't have underlined
we can't have underlined
you can't have underlined
they can't have underlined

V-ing perfect

I can't have been underlining
you can't have been underlining
he can't have been underlining
we can't have been underlining
you can't have been underlining
they can't have been underlining

Interrogative form

Simple form

can I underline?
can you underline?
can he underline?
can we underline?
can you underline?
can they underline?

V-ing form

can I be underlining?
can you be underlining?
can he be underlining?
can we be underlining?
can you be underlining?
can they be underlining?

Perfect

can I have underlined?
can you have underlined?
can he have underlined?
can we have underlined?
can you have underlined?
can they have underlined?

V-ing perfect

can I have been underlining?
can you have been underlining?
can he have been underlining?
can we have been underlining?
can you have been underlining?
can they have been underlining?

Interro-negative form

Simple form

can't I underline?
can't you underline?
can't he underline?
can't we underline?
can't you underline?
can't they underline?

V-ing form

can't I be underlining?
can't you be underlining?
can't he be underlining?
can't we be underlining?
can't you be underlining?
can't they be underlining?

Perfect

can't I have underlined?
can't you have underlined?
can't he have underlined?
can't we have underlined?
can't you have underlined?
can't they have underlined?

V-ing perfect

can't I have been underlining?
can't you have been underlining?
can't he have been underlining?
can't we have been underlining?
can't you have been underlining?
can't they have been underlining?

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