English verb conjugation CAN WHISTLE

Regular verb: whistle - whistled - whistled

Affirmation

Simple form

I can whistle
you can whistle
he can whistle
we can whistle
you can whistle
they can whistle

V-ing form

I can be whistling
you can be whistling
he can be whistling
we can be whistling
you can be whistling
they can be whistling

Perfect

I can have whistled
you can have whistled
he can have whistled
we can have whistled
you can have whistled
they can have whistled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I whistle?
can you whistle?
can he whistle?
can we whistle?
can you whistle?
can they whistle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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