在.之前:应该用before ,句子是这样的:He hadn't considered having a holiday abroad before he retired from teaching 3 years ago.
而not...until为直到...才的意思,直到他三年前从教育领域退休后,他才开始考虑去国外度假.consider发生在retire这个动作之后.故用did 助动词,而非had(过去完成时,及过去的过去).
在.之前:应该用before ,句子是这样的:He hadn't considered having a holiday abroad before he retired from teaching 3 years ago.
而not...until为直到...才的意思,直到他三年前从教育领域退休后,他才开始考虑去国外度假.consider发生在retire这个动作之后.故用did 助动词,而非had(过去完成时,及过去的过去).