No wonder the English language is so very difficult to learn:

• We polish the Polish furniture.
• He could lead if he would get the lead out.
• A farm can produce produce.
• The dump was so full it had to refuse refuse.
• The soldier decided to desert in the desert.
• The present is a good time to present the present.
• At the Army base, a bass was painted on the head of a bass drum.
• The dove dove into the bushes.
• I did not object to the object.
• The insurance for the invalid was invalid.
• The bandage was wound around the wound.
• There was a row among the oarsmen about how to row.
• They were too close to the door to close it.
• The buck does funny things when the does are present.
• They sent a sewer down to stitch the tear in the sewer line.
• To help with planting, the farmer taught his sow to sow.
• The wind was too strong to wind the sail.
• After a number of Novocain injections, my jaw got number.
• I shed a tear when I saw the tear in my clothes.
• I had to subject the subject to a series of tests.
• How can I intimate this to my most intimate friend?
• I spent last evening evening out a pile of dirt