<正> 英语中表示原因的介词很多。从介词的构成形式来看,可分为两类。第一类为简单介词;第二类为复杂介词。一、简单介词表示原因的简单介词常用的有 after、at、by、for、from、in、of、over、through、with 等。After the way he treated me I never want to see him again.由于他这样对待我,我再也不想见他了。I shall never speak to him again after what has happened.由于所发生之事,我将永远不再跟他说话。T have called to see you at the reguest of a friend.