He spent over a decade designing the system that feature in his distinctive home.这句话 spent 是谓语动词，a decade 是宾语，designing 是分词做定语吗？system 是 design 的宾语是不是？
...words,
such as names, dates, and numbers.请问 when doing sth 如何变成从句？尤其是如何确定从句的时态？下面哪个对？When you take notes, just write down the key words,
such as names, dates, and numbers.When you are taking notes, just write down the key
words, such as names, ...
在 It was the first time that-结构中，that-从句通常用过去完成时，有时也用一般过去时，有时若有包括现在在内的时间状语，偶尔还可用现在完成时：I was lucky because that was the second time I (had) visited Japan that year. 我很幸运，那是我那年...
A closer sight showed that these pieces had been left behind in the fires of ancient peoples who had melted rocks to get metals,looking around, he found more and more information,until the history of what men had done at the place over tens of centuries was known.
这句话后半部分句子成...
Some others suppose they are more likely to be better paid than otherwise if they get more certificate.
这句话中otherwise后面省略了什么嘛？感觉好像otherwise是和if连在一起的有歧义。