我知道It’s the first time that…的从句时态要用现在完成时。如:It’s the first time he has come here. 这是他第一次来这儿。同时也知道It wasthe first time that…的从句时态要用过去完成时。如:It wasthe first time that I had seen him. 那是我第一...
关于 in the past (last) few years 这类介词短语,我知道以下知识点:一是它们通常与现在完成时连用;二是其中的介词 in 也可以换成 during / for,即说成duringthe past (last) few years, for the past (last) few years。我的疑问是:这类用法中的介...
... previous work conducted on birds and dolphins that these animals put half oftheir brains to sleep at a time so that they can rest while remaining alert enough to avoid predators (捕食者). 这里的红色部分conducted...和紫色部分that.....都是作同位语修饰work吗?
...entists have advanced
many theories about why human beings cry tears, none of which has been proved.请问这里的cry tears符合英语习惯吗?怎么理解?查字典cry要么是不及物动词,要么做及物动词时为:If you cry
something, you shout it or say it loudly. 还是这里是...
This responsibility does not entail my doing for you what you are capable of doing for yourself; nor does it mean that I run your life for you.what 这里是后移,引导的一个宾语从句吗?