The story of Bart...

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The story of Bart...
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Bart wakes up at 800 this morning...

• He has his breakfast and leaves home to school...

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• He leaves house and arrives the bus stop at 830

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• He waits, waits and waits.... for his bus...

Its 840... How long has it been?
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• He waits, waits and waits.... for his bus...

Its 850...
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• He waits, waits and waits.... for his bus...

Its 855...
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• He waits, waits and waits.... for his bus...

Its 858...
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• He still waits, waits and waits.... for his bus...

Its 859...
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• At last its 900...

But the bus has not come yet...
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Bart is tired now.... He started waiting at
830. Now it is 900. He is still waiting... The
bus has not come yet...
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• Hold on...
• Look, the bus is coming...

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• Bart gets on the bus..
• And drives school....

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• Bart has waited for the bus...
• Bart has waited for the bus since 830.
• Bart has waited for the bus for 30 min.

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• Bart has waited for the bus since 830.
• Bart has waited for the bus for 30 min.
• Start of the time - - -
• Length of the time - - -

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• Bart has waited for the bus since 830.
• Bart has waited for the bus for 30 min.
• Start of the time - - -
• 830
• since 830
• Bart has waited for the bus since 830.

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• Bart has waited for the bus since 830.
• Bart has waited for the bus for 30 min.
• Length of the time - - -
• 30 min.
• for 30min.
• Bart has waited for the bus for 30 min.

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• Start of the time - - - SINCE
• since Tuesday..
• since last week...
• since September...
• since 4 oclock..
• since I was ten...
• since 2002...
• since I came home...

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• Length of the time - - - FOR
• for 2 hours...
• for three weeks...
• for 4 months...
• for 10 years...
• for a long time...
• for a year