Assume that all the following lines are iambic and match the feet to each line.
I wandered lonely as a cloud
3 feet -trimeter
Once upon a midnight weary, while I pondered
weak and weary
8 feet-Octameter
and with no sun or sky of blue my heart does play
6 feet – hexameter
So are you to my thoughts as food to life
5 feet- pentameter
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Forward, the light brigade.
4 feet - tetrameter