available的名词、动词、副词形式是什么意思啊?如题

1.名词就是表示人,事物,地点或抽象概念的名称.例如：desk 桌子 time 时间 life 生活 book 书本 room 房间 honest 诚实 worker 工人 pencil 铅笔 computer 计算机 city城市 homework家庭作业 2.副词是一种用来修饰动词,形容词,全句的词,说明时间,地点,程度,方式等概念的词.分为.地点副词.方式副词.程度副词.疑问副词.连接副词.1) 时间和频度副词:now,then,often,always,usually,early,today,lately,next,lastday,already,generally,frequently,seldom,ever,never,yet,soon,too,immediately,hardly,finally,shortly,before,ago,sometimes,yesterday.2) 地点副词:here,there,everywhere,anywhere,in,out,inside,outside,above,below,down,back,forward,home,upstairs,downstairs,across,along,round ,around,near,off,past,up,away,on.3) 方式副词:carefully,properly,anxiously,suddenly,normally,fast,well,calmly,politely,proudly,softly,warmly 4) 程度副词:much,little,very,rather,so,too,still,quite,perfectly,enough,extremely,entirely,almost,slightly.5) 疑问副词:how,when,where,why.6) 关系副词:when,where,why.7) 连接副词:therefore,moreover,however,otherwise,then 3.表示动作中状态的词叫做动词.do play apply help write