■月季票三個月有效。
誤:The season ticket is available about three months.
正:The season ticket is available for three months.
析:表示“為……”或“對……”這樣的意義時,available(可得到的,可用的,空閑的)后通常接的介詞是 for。如:He is not available for the job.(他沒有空做此事)。有時也可用 to。如:There was no sleeping accommodation for [to] usfor the night.(我們找不到住處過夜)。
■這些茶杯可供使用。
誤:These cups are available to using.
正:These cups are available to use.
正:These cups are available to be used.
析:當 be available(可使用)后接不定式時,若句子主語與該不定式有動賓關系,則該不定式可用主動式也可用被動式。