Participle唔識做

Participle phrase - Subject相同做前面, 不相同做後面

I saw Mary (standing) there. (Subject不相同做後面)

Do you know the boy (talking) to Ms. Chan? (Subject不相同做後面)

(Being made / Made) in China, the DVD players are of the highest quality are made in China.(Subject相同做前面)
補充
The DVD players are made in China of the highest quality(錯 - 這不是participle phrase 完全無participle, 這是prepositional phrase).

I saw him (climbing) over the fence last night..(Subject不相同做後面)

(Being destroyed / Destroyed) by the terrorists, the building were the Twin Towers.(Subject相同做前面)

I saw Mary who was standing there.
Do you know who was the boy talking to Ms Chan?
The DVD players which made in China are of the high quality.
He was the one climbing over the fence who I saw last night.
The Twin Towers were the building which were destroyed by the terrorists.

1.i saw mary standing there
2. do you know the boy taking to Ms.Chan
3.the DVD players are made of highest quality in china
4. i saw him climbing over the fance last night
5.Twin Towers were destroyed by the terrorists

I saw Mary standing there.

Do you know the boy talking to Ms. Chan?

The DVD players are made in China of the highest quality.

I saw him last night climbing over the fence.

The Twin Towers were destroyed by the terrorists.

//////This is also accetable,only for your reference and learning./////

shouldnt it be Conjunctions or connectives??

1) I saw Mary who was standing there.
2) Do you know the boy who was talking to Ms. Chan.?
3) The DVD players which are made in china are of the highest quality.
OR the DVD players which are of the highest quality are made in China.
4) I saw him who was climbing over the fence last night.
5) The buildings which were the Twin Towers were destroyed by the terrorists.