...er backyard while dozens of birds flew down
to enjoy the food before them. 时态是否有问题?为什么主句使用了进行时,而while从句却使用了过去式?while从句是否也应该使用进行时即was flying:应该是
A smiling woman was throwing some grain into her backyard whil...
原文:I soon
learned to know this flower better. On the little prince's planet the flowers
had always been very simple. They had only one ring of petals; they took up no
room at all; they were a trouble to nobody. One morning they would appear in
the grass, and by night they would have faded peac...
我今天在语法网https://www.cpsenglish.com/question/38437上看到这样一道题:I
need one more stamp before my collection is 或者 has been completed.有的老师说is/has
been都可以,有的老师说只能is. 首先,关于在before从句中使用完成时和一般时的理解辨析...
...下去。这里的动词要用持续性动词。常与for(+时间段),since(+时间点)连用. Mary has been ill for three days.Mary has been ill since three days ago这种用法和现在完成进行时的表示从过去某时开始一直持续到现在的动作,并且还将持续下去.的...
The Greenwood Boys Why will the police have a difficult time? The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They will be coming by train and most of the young people in the town w...
这是一篇阅读理解文章:Why
do we go out our ways to avoid
people ?Do
you think meeting new people is a waste of time ? Or are we just lazy, thinking
that meeting someone new really is a trouble ?Communciation
is the key to life. We have been told that many times. Take the past
generations,...
原文:Now I stared at this sudden apparition with my eyes
fairly starting out of my head in astonishment. Remember, I had crashed in the
desert a thousand miles from any inhabited region. And yet my little man seemed
neither to be straying uncertainly among the sands, nor to be fainting from
fati...