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present perfect continuous
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use/ all day
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think about/ for ages
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read/ for three days
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work / since the beginning of the school year
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Okay!
listen / for two years
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Okay!
revise/all night
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watch / since the beginning of the lesson
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Okay!
practise / for a week
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look for/ for five minutes
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Okay!
write/ since last summer
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Okay!
worry/for a long time
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save/ since my birthday
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Okay!
take/ since January
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Okay!
do/ for three months
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Okay!
try/since last Friday
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Okay!
playing/ since I was young
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Okay!
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