将下列句子变为被动句

1.The milu deer is studied by them at the research center.
他们正在研究中心研究麋鹿。
2.The boy is taught a lesson by her.
他正在给男孩上一堂课。
3.The girl is made laugh by him now.
他正在逗女孩笑。

1.The milu deer is studied by them at the research center.
2.The boy is taught a lesson by her
3.The girl being made laugh by him now.
第三句要体现现在进行时态。

如果觉得我的好，就采纳我的吧。