"perhaps she will call tomorrow" "we may possibly run into them at the concert" "it may peradventure be thought that there never was such a time"
误 It is perhaps that they will come after all.
正 Perhaps they will come after all.
析perhaps不用于带有形式主语的句子中作表语。
今天他可能会来。误 Perhaps he may come today.
正 Perhaps he will come today.
析perhaps表示“或许”“可能”,是一种推测(相当于maybe),不能再用情态动词may。