问题描述：
英语仿造例句编写对话
he/have a swin/two days ago
1,when is he have a swin?
He has already had a swim
2,when did he have a swim?
he had a swim two days ago
在1的回答中将swim改成swum,在2的回答中将swim改成swam行吗
he/have a swin/two days ago
1,when is he have a swin?
He has already had a swim
2,when did he have a swim?
he had a swim two days ago
在1的回答中将swim改成swum,在2的回答中将swim改成swam行吗
问题解答：
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