帮忙划分以下句子成分，谢谢了。划分中的P是什么意思？

帮忙划分以下句子成分，谢谢了。划分中的P是什么意思？

1:His son has been in the US for one for one year.
这个句子是一个主系表结构.His son 是主语,has been 是系动词,in the US 是表语,for one year是时间状语.
2:I will be arriving in beijing on september 25.
这个句子是一个主谓宾结构,I 是主语,will be arriving in是谓语,beijing是宾语, on september 25是时间状语.
3:I have known a lot about China and your city.
I 是主语have known 是谓语,a lot about China and your city是状语.
4:He是主语 told 是谓语me 是间接宾语what to do是直接宾语 next是状语.

5:We 是主语,found 是谓语,the old man 是宾语,very是状语, healthy是宾补.
P:predicative 表语

1:His son has been in the US for one year.
S：his son V：has been P：in the us O（Oi,Od):无 Co:无 状语：for one year
2:I will be arriving in beijing on september 25.
S：i V：will be P：arriving in beijing O（Oi,Od):无 Co: 无 状语：on september 25
3:I have known a lot about China and your city.
S：i V：have known P：无 O（Oi,Od):a lot(a lot of things 的省略) Co:about china and your city
4:He told me what to do next.
S：he V：tole P：无 Oi:me Od:what to do next
5:We found the old man very healthy.
S：we V：found P：无 O（Oi,Od):the old man Co:very healthy
P:是指表语

NO

P:predicative 表语

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