We found the foreigner to be friendly 里面的to be 可以省略吗?

it was found to be over thirteen feet long这里的to be 可以省略吗? 英语翻译原句:We found all the staff to be friendly and helpful but be friendly to的翻译 We should be friendly to ------.(other ) they would like it to be 后面的to be 可以省略吗?为什么要加to be 能不能改成 the Please ______(be) friendly to the animals be able to可以省略to么? to be of中的to可以省略吗 the man over there s___ to be a foreigner be friendly to的汉语意思是? 为什么We learned to be friendly to other people.用to be 不用to we should be friendly to ____(another/some/the other/others)