English verb conjugation CAN SIGNAL

Regular verb: signal - signalled - signalled

Affirmation

Simple form

I can signal
you can signal
he can signal
we can signal
you can signal
they can signal

V-ing form

I can be signalling
you can be signalling
he can be signalling
we can be signalling
you can be signalling
they can be signalling

Perfect

I can have signalled
you can have signalled
he can have signalled
we can have signalled
you can have signalled
they can have signalled

V-ing perfect

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

Negation

Simple form

I cannot signal
you cannot signal
he cannot signal
we cannot signal
you cannot signal
they cannot signal

V-ing form

I cannot be signalling
you cannot be signalling
he cannot be signalling
we cannot be signalling
you cannot be signalling
they cannot be signalling

Perfect

I cannot have signalled
you cannot have signalled
he cannot have signalled
we cannot have signalled
you cannot have signalled
they cannot have signalled

V-ing perfect

I cannot have been signalling
you cannot have been signalling
he cannot have been signalling
we cannot have been signalling
you cannot have been signalling
they cannot have been signalling

Interrogative form

Simple form

can I signal?
can you signal?
can he signal?
can we signal?
can you signal?
can they signal?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not signal?
can you not signal?
can he not signal?
can we not signal?
can you not signal?
can they not signal?

V-ing form

can I not be signalling?
can you not be signalling?
can he not be signalling?
can we not be signalling?
can you not be signalling?
can they not be signalling?

Perfect

can I not have signalled?
can you not have signalled?
can he not have signalled?
can we not have signalled?
can you not have signalled?
can they not have signalled?

V-ing perfect

can I not have been signalling?
can you not have been signalling?
can he not have been signalling?
can we not have been signalling?
can you not have been signalling?
can they not have been signalling?

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