※从属连词that,即主语+系动词+that从句。如:
ThetruthisthatIhaveboughtthehousewithallofmysavings.
Itseemsthatwehaveknowneachotherfordecades.
※从属连词whether,as,asif,即主语+系动词+whether/as/asif以句。如:
Youlookedjustasyouhadlookedinhighschool.
Thepointiswhethertheywillacceptouroffer.
※连接代词who,whom,whose,what,which,whoever,whatever和whichever,以及连接副词where,when,how和why。如:
Thequestioniswhenandwherewewillmeet.