Preparatory it

 Notes on the structure we saw last day, with 'it' as dummy object:

 Int - PEU - preparatory it object.pdf

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If you come to think of it, you already knew about this for the subject role.
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 Int - PEU - preparatory it subject.pdf

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Some practice for both cases:

 Int - HEW - preparatory it subject object.pdf

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And some extra material for the enthusiastic ones

 Adv - EGC - preparatory it.pdf

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