According to a recent survey,four million people die each year from diseases linked to smoking.
four million people 是主語(yǔ),die 是謂語(yǔ),each year 是時(shí)間狀語(yǔ),from diseases linked to smoking是原因狀語(yǔ);
The latest surveys 是主語(yǔ),show是謂語(yǔ),that quite a few children have unpleasant associations with homework是賓語(yǔ)從句.