小学英语语法：助动词

　　小学英语语法：时态中的助动词：

　　一般将来时: will, shall

　　过去进行时: was, were

　　过去完成时: had

　　过去将来时: would

　　一般现在时: do, does/am, is, are

　　现在进行时: am, is, are

　　一般过去时: did

　　现在完成时: have, has