误I've forgotten my dictionary at home.
正I've left my dictionary at home.
析forget不可与表示具体场所的地点状语连用。
我永远不会忘记他。误I will always not forget him.
误I will not forget him forever.
正I will never forget him.
正I won't ever forget him.
析forget若表示否定意义时,常与never或not ever搭配,而不与always或forever搭配。
我忘记去拜访他了。误I forget to call on him.
正I have forgotten to call on him.
我碰巧想不起他的地址了。误I happened to forget his address.
正I happened to have forgotten his address.
析forget强调状态,指“暂时想不起来”, have forgotten则强调遗忘的彻底性。