to do 用法xx,president of our country,is reported【 to have returned to china last weekend】.这是什么成分的句子额,to have done 在这里做什么

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to do 用法xx,president of our country,is reported【 to have returned to china last weekend】.这是什么成分的句子额,to have done 在这里做什么
to do 用法
xx,president of our country,is reported【 to have returned to china last weekend】.这是什么成分的句子额,to have done 在这里做什么

to do 用法xx,president of our country,is reported【 to have returned to china last weekend】.这是什么成分的句子额,to have done 在这里做什么
xx,president of our country,is reported to have returned to china last weekend
据报道,我国的president XX上周已经回国了 因为sth .is reported 是……被报道 已经是一个句子了 后面用非谓语的形式to do(to have done /to be doing 等形式)来做主语的补足语 说明主语回国的状态.