加標點符號就明白了:
James, while John had had "had", had had "had had"; "had had" had had a better effect on the teacher.
如果以分號為界限把句子分為兩句(一個複合句+一個簡單句),那麽十一個had的語法作用依次是:1.複合句從句謂語助動詞,2.複合句從句謂語動詞,3.動詞用作複合句從句賓語名詞,4.複合句主句助動詞,5.複合句主句動詞,(6.助動詞+7.動詞)用作複合句主句賓語名詞,(8.助動詞+9.動詞)用作簡單句主語名詞,10.簡單句謂語助動詞,11.簡單句謂語動詞。