误Seldom he goes to bed before midnight.
正Seldom does he go to bed before midnight.
析当seldom放在句首时,句子的主谓必须部分倒装。类似的词还有never, hardly, scarcely等等。
她很少午夜之前回家,是吗?误She seldom arrives home before midnight, doesn't she?
正She seldom arrives home before midnight, does she?
析seldom本身带有否定意义,构成附加疑问句时不用否定词not。
他讲课很少按时到。误He is seldom ever on time for his lectures.
正He is seldom if ever on time for his lectures.
析表示“很少”“难得”解时, seldom不与ever连用,应用seldom(,)if ever。