高手帮忙解下几道关于English时态的题.
问题描述：
高手帮忙解下几道关于English时态的题.
1.the discovery of gold in Australia led thousands to believe that a fortune____(make).
2.Alan,make sure the tables_____(set)before the guests arrived.
3.Bob would have helped us yesterday ,but he _____(busy).
4In the spokenEnglishh of some areas in the US,the ‘’r'' sounds at the end of the words____(drop).
5This coastal area_____(name) a national wildlife reserve last year.
答
makes
had set
was busy
drop
was named
一般现在是用原形do
一般过去时用动词过去式did
现在进行时用动词的现在分词形式be+doing
一般将来是用will+do原形
现在完成时have\has+done（过去分词）
现在完成进行时have\has+been+doing
过去完成时had+done
过去进行时wes\were+doing
将来进行时will+be+doing
过去完成进行时had been doing 常用的就这些