英語の得意な方、教えてください。
次の文の下線部が助動詞か本動詞かを答えなさい。
A traveling salesman (1)had to walk so much that his feet often hurt. His doctor told him that salt water (2)was the best thing for them, so the salesman decided to go to the sea for his vacation that year. Since all of the hotels near the sea (3)were expensive, he went to a small hotel far away from the beach.
In the morning he went down to the calm sea with a bucket, went over to the lifeguard and asked whether he would (4)be allowed to take a bucket of salt water. The lifeguard (5)seemed very surprised but said, “Yes, although you will (6)have to pay twenty-five cents for it.”
The salesman gave the lifeguard twenty-five cents, filled his bucket, took it to his hotel and put his feet in the water.
After lunch, he came down to the beach again. The tide (7)had gone out now, so the sea (8)was much lower. The salesman thought, “That man (9)has a very good business. He must (10)have sold thousands of buckets since this morning.”
(1)had
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(2)was
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(3)were
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(4)be
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(5)seemed
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(6)have
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(7)had
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(8)was
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(9)has
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(10)have
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以上、宜しく御願い致します。