情态动词有四类:
①只做情态动词:must,can(could),may(might)……
②可做情态动词又可做实义动词:need,dare,will
③具有情态动词特征:have(had,has) to,used to,ought to
④情态动词表猜测:一肯一否三不定(must一肯,must not一否,can,could,would三不定。)
注:mustn't代表强烈禁止 must表示主观,have to表示客观
can (could)
may (might)
must
need
ought to
dare (dared)
shall (should)
will (would)
好像有这些吧,书里找的
情态动词 may, might, can ,could , will ,would ,must ,shall, should, need, dare ,ought to,就那些