English verb conjugation COULD CROSS-FERTILISE

Regular verb: cross-fertilise - cross-fertilised - cross-fertilised

Affirmation

Simple form

I could cross-fertilise
you could cross-fertilise
he could cross-fertilise
we could cross-fertilise
you could cross-fertilise
they could cross-fertilise

V-ing form

I could be cross-fertilising
you could be cross-fertilising
he could be cross-fertilising
we could be cross-fertilising
you could be cross-fertilising
they could be cross-fertilising

Perfect

I could have cross-fertilised
you could have cross-fertilised
he could have cross-fertilised
we could have cross-fertilised
you could have cross-fertilised
they could have cross-fertilised

V-ing perfect

I could have been cross-fertilising
you could have been cross-fertilising
he could have been cross-fertilising
we could have been cross-fertilising
you could have been cross-fertilising
they could have been cross-fertilising

Negation

Simple form

I couldn't cross-fertilise
you couldn't cross-fertilise
he couldn't cross-fertilise
we couldn't cross-fertilise
you couldn't cross-fertilise
they couldn't cross-fertilise

V-ing form

I couldn't be cross-fertilising
you couldn't be cross-fertilising
he couldn't be cross-fertilising
we couldn't be cross-fertilising
you couldn't be cross-fertilising
they couldn't be cross-fertilising

Perfect

I couldn't have cross-fertilised
you couldn't have cross-fertilised
he couldn't have cross-fertilised
we couldn't have cross-fertilised
you couldn't have cross-fertilised
they couldn't have cross-fertilised

V-ing perfect

I couldn't have been cross-fertilising
you couldn't have been cross-fertilising
he couldn't have been cross-fertilising
we couldn't have been cross-fertilising
you couldn't have been cross-fertilising
they couldn't have been cross-fertilising

Interrogative form

Simple form

could I cross-fertilise?
could you cross-fertilise?
could he cross-fertilise?
could we cross-fertilise?
could you cross-fertilise?
could they cross-fertilise?

V-ing form

could I be cross-fertilising?
could you be cross-fertilising?
could he be cross-fertilising?
could we be cross-fertilising?
could you be cross-fertilising?
could they be cross-fertilising?

Perfect

could I have cross-fertilised?
could you have cross-fertilised?
could he have cross-fertilised?
could we have cross-fertilised?
could you have cross-fertilised?
could they have cross-fertilised?

V-ing perfect

could I have been cross-fertilising?
could you have been cross-fertilising?
could he have been cross-fertilising?
could we have been cross-fertilising?
could you have been cross-fertilising?
could they have been cross-fertilising?

Interro-negative form

Simple form

couldn't I cross-fertilise?
couldn't you cross-fertilise?
couldn't he cross-fertilise?
couldn't we cross-fertilise?
couldn't you cross-fertilise?
couldn't they cross-fertilise?

V-ing form

couldn't I be cross-fertilising?
couldn't you be cross-fertilising?
couldn't he be cross-fertilising?
couldn't we be cross-fertilising?
couldn't you be cross-fertilising?
couldn't they be cross-fertilising?

Perfect

couldn't I have cross-fertilised?
couldn't you have cross-fertilised?
couldn't he have cross-fertilised?
couldn't we have cross-fertilised?
couldn't you have cross-fertilised?
couldn't they have cross-fertilised?

V-ing perfect

couldn't I have been cross-fertilising?
couldn't you have been cross-fertilising?
couldn't he have been cross-fertilising?
couldn't we have been cross-fertilising?
couldn't you have been cross-fertilising?
couldn't they have been cross-fertilising?

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