鱼和薯条是健康的食品 ,谓语动词用单数还是复数.

Have you ever ate fish and French fries?
I have lost my Chemistry book just now
I have never been to that farm
He have had lunch
Since he moved to Shanghai,he have been living here.
They have known each other since 1999
Jim have been to London with his family

1.have you ever tried fish n chips?
2.i have lost my textbook
3.i have never been to that company before
4.has he watched this movie?
5.my brother hasn't come back
6.i have watched this movie last week
7.he has lived here since 1992
8.i have brought this dictionary for 3years
9.he has left china for 3 years

楼上都错,鱼和薯条是同一道菜.
Have you tried fish and fries?

1.Have you ever eaten fish and French-fries? 2.I have just lost my chemistry book. 3.I have never been to the farm. 4.He has already had lunch. 5.Have you watch the movie yet? 6.My brother hasn't come back yet. 7.I have watched the movie last week. 8.He has lived here in 1992. 9.I have had the dictionary for three years. 10.He has left China for three years. 11.I have known them for five years. 12.They have been in America for five years. 13.He has lived here since he moved to Fuzhou. 14.My little sister has been a university student fur three years. 15.How long has the meeting lasted? 16.The door has been closed for two days . 17.1.jined the league. 2.have been a league member. 3.have been a member of the league. 4.have joined the league. 18.They have known each other since 1999. 19.I have been on the farm ror five years.

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1、你曾经吃过鱼和薯条吗?
Have you ever eaten fish and chips?
2、我刚刚丢了我的化学书.
I have just lost my chemistry book.
3、我以前从来没去过那个农场.
I have never been to the farm before.
4、这本字典我已经买了三年了.
I have had the dictionary for three years.
5、我认识他们五年了.
I have known them for five years.
6、你已经看过这部电影了吗?
Have you seen the film yet?

have you ever eaten fish or fries?

did you have fish and chips
i lossed my chinese book

Have you ever ate/taste fish and chips?

用“while" 它加延续性动词.列如：I was doing my homework while I was watching TV.(我一边做作业,一边看电视.）