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  • Tick the sentences to show whether they are written using the past or present perfect verb forms.

    Past perfectPresent perfect
    As soon as I have found my costume, we can go swimming.
    The birds had eaten all the bread I put out for them this morning.
    The audience were shocked that the acrobat had fallen from the tight-rope wire.
    When we have eaten our supper, we shall go out for a walk.

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    Past perfectPresent perfect
    As soon as I have found my costume, we can go swimming.
    The birds had eaten all the bread I put out for them this morning.
    The audience were shocked that the acrobat had fallen from the tight-rope wire.
    When we have eaten our supper, we shall go out for a walk.