人教版初二英语现在完成时句子转过去完成时练习题30题【答案解析】
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人教版初二英语现在完成时句子转过去完成时练习题30题
【答案解析】
1.She has visited Paris.（改为过去完成时）
She had visited Paris.
答案解析：现在完成时变为过去完成时，将has/have 变为had，动词的过去分词形式不变。
所以这句话变为过去完成时为She had visited Paris.
2.They have eaten breakfast.（改为过去完成时）
They had eaten breakfast.
答案解析：同样，现在完成时变为过去完成时，将have 变为had，eaten 不变。
变为过去完成时为They had eaten breakfast.
3.He has read the book.（改为过去完成时）
He had read the book.
答案解析：现在完成时改过去完成时，把has 变为had，read 的过去分词还是read。
所以变为过去完成时是He had read the book.
4.We have seen the movie.（改为过去完成时）
We had seen the movie.
答案解析：现在完成时的have 变为had，seen 不变，变为过去完成时为We had seen the movie.
5.She has written a letter.（改为过去完成时）
She had written a letter.
答案解析：has 变为had，written 是write 的过去分词，不变。
变为过去完成时为She had written a letter.
6.They have played basketball.（改为过去完成时）
They had played basketball.
答案解析：have 变为had，played 不变，变为过去完成时为They had played basketball.
7.He has sung a song.（改为过去完成时）
He had sung a song.
答案解析：has 变为had，sung 是sing 的过去分词，不变。
变为过去完成时为He had sung a song.
8.We have taken a photo.（改为过去完成时）
We had taken a photo.
答案解析：have 变为had，taken 是take 的过去分词，不变。
变为过去完成时为We had taken a photo.
9.She has bought a new dress.（改为过去完成时）
She had bought a new dress.
答案解析：has 变为had，bought 是buy 的过去分词，不变。
变为过去完成时为She had bought a new dress.
10.They have gone to the park.（改为过去完成时）
They had gone to the park.
答案解析：have 变为had，gone 是go 的过去分词，不变。
变为过去完成时为They had gone to the park.
11.She has visited the museum many times. Before she went on this trip, she _____ visited the museum many times.
A.had
B.has
C.have
D.having
答案解析：A。
本题考查现在完成时转过去完成时。
句子中“Before she went on this trip”表示过去的时间点，在此之前她已经多次参观过博物馆，要用过去完成时，即had visited。
B 选项has 和 C 选项have 都是现在完成时的助动词；D 选项having 不能单独作谓语。
12.He has read that book. When he met his friend, he _____ read that book.
A.had
B.has
C.have
D.having
答案解析：A。
“When he met his friend”是过去的时间点，在这之前他已经读过那本书了，要用过去完成时had read。
B、C 是现在完成时的助动词；D 选项having 不能单独作谓语。
13.They have played basketball for hours. Before they went home, they _____ played basketball for hours.
A.had
B.has
C.have
D.having
答案解析：A。
“Before they went home”表明过去的时间点，在此之前他们已经打了几个小时篮球了，用过去完成时had played。
B、C 是现在完成时助动词；
D 选项having 不能单独作谓语。
14.She has written many stories. Before she started this new project, she _____
written many stories.
A.had
B.has
C.have
D.having
答案解析：A。
“Before she started this new project”是过去的时间点，在此之前她已经写了很多故事，用过去完成时had written。
B、C 是现在完成时助动词；
D 选项having 不能单独作谓语。
15.He has watched that movie several times. When he talked about movies with his classmates, he _____ watched that movie several times.
A.had
B.has
C.have
D.having
答案解析：A。
“When he talked about movies with his classmates”是过去的时间点，在这之前他已经看过那部电影好几次了，用过去完成时had watched。
B、
C 是现在完成时助动词；
D 选项having 不能单独作谓语。
16.They have studied English for years. Before they took the exam, they _____ studied English for years.
A.had
B.has
C.have
D.having
答案解析：A。
“Before they took the exam”表示过去的时间点，在此之前他
们已经学了多年英语，用过去完成时had studied。
B、C 是现在完成时助动词；
D 选项having 不能单独作谓语。
17.She has sung that song many times. When she performed on stage, she _____ sung that song many times.
A.had
B.has
C.have
D.having
答案解析：A。
“When she performed on stage”是过去的时间点，在此之前她已经唱过那首歌很多次了，用过去完成时had sung。
B、C 是现在完成时助动词；
D 选项having 不能单独作谓语。
18.He has eaten breakfast. Before he went to school, he _____ eaten breakfast.
A.had
B.has
C.have
D.having
答案解析：A。
“Before he went to school”表明过去的时间点，在此之前他已经吃过早餐了，用过去完成时had eaten。
B、C 是现在完成时助动词；D 选项having 不能单独作谓语。
19.They have visited their grandparents. Before they went on vacation, they _____ visited their grandparents.
A.had
B.has
C.have
D.having
答案解析：A。
“Before they went on vacation”是过去的时间点，在此之前他们已经看望过祖父母了，用过去完成时had visited。
B、C 是现在完成时助动词；
D 选项having 不能单独作谓语。
20.She has finished her homework. When she went to play, she _____ finished her homework.
A.had
B.has
C.have
D.having
答案解析：A。
“When she went to play”是过去的时间点，在这之前她已经完成了作业，用过去完成时had finished。
B、C 是现在完成时助动词；D 选项having 不能单独作谓语。
21.She has visited many countries. She said that by the end of last year, she ____ many countries.
A.had visited
B.has visited
C.visited
D.would visit
答案解析：A。
现在完成时的句子“She has visited many countries.”转为过去完成时，时间状语变为“by the end of last year”，表示过去的过去，所以要用had visited。
22.The company has developed a new product. Before the meeting yesterday, the company ____ a new product.
A.had developed
B.has developed
C.developed
D.would develop
答案解析：A。
现在完成时“The company has developed a new product.”转过去完成时，时间状语为“Before the meeting yesterday”，过去的过去用had developed。
23.He has read a lot of books. By the time he graduated from middle school, he ____ a lot of books.
A.had read
B.has read
C.read
D.would read
答案解析：A。
现在完成时“He has read a lot of books.”转为过去完成时，时间状语“By the time he graduated from middle school”表示过去的过去，用had read。
24.They have watched the movie. Before they went to bed last night, they ____ the movie.
A.had watched
B.has watched
C.watched
D.would watch
答案解析：A。
现在完成时“They have watched the movie.”转过去完成时，时间状语“Before they went to bed last night”表示过去的过去，用had watched。
25.The scientist has made an important discovery. Before the conference last month, the scientist ____ an important discovery.
A.had made
B.has made
C.made
D.would make
答案解析：A。
现在完成时“The scientist has made an important discovery.”转过去完成时，时间状语“Before the conference last month”表示过去的过去，用had made。
26.She has learned French for three years. By the end of last term, she ____ French for three years.
A.had learned
B.has learned
C.learned
D.would learn
答案解析：A。
现在完成时“She has learned French for three years.”转过去完成时，时间状语“By the end of last term”表示过去的过去，用had learned。
27.They have finished their homework. Before the teacher came in, they ____ their homework.
A.had finished
B.has finished
C.finished
D.would finish
答案解析：A。
现在完成时“They have finished their homework.”转过去完成时，
时间状语“Before the teacher came in”表示过去的过去，用had finished。
28.He has written many articles. By the time he was twenty-five, he ____ many articles.
A.had written
B.has written
C.wrote
D.would write
答案解析：A。
现在完成时“He has written many articles.”转过去完成时，时间状语“By the time he was twenty-five”表示过去的过去，用had written。
29.The team has won many matches. Before the final game last week, the team ____ many matches.
A.had won
B.has won
C.won
D.would win
答案解析：A。
现在完成时“The team has won many matches.”转过去完成时，时间状语“Before the final game last week”表示过去的过去，用had won。
30.She has visited the museum. Before she met her friend yesterday, she ____ the museum.
A.had visited
B.has visited
C.visited
D.would visit
答案解析：A。
现在完成时“She has visited the museum.”转过去完成时，时间状语“Before she met her friend yesterday”表示过去的过去，用had visited。