{HEAD ~ A method} of forming a semiconductor memory device formed on a semiconductor substrate with an N well and a P well comprises {TAIL ~ the following steps} 
comprises
{ HEAD ~ A method } of forming a semiconductor memory device formed on a semiconductor substrate with an N well and a P well comprises { TAIL ~ the following steps }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL