as well as同verb+ed一問

1:
as well as = in addition to
雖然這個 phrase 有時是解 ”和” 的意思, as well as 同 and 有分別

Tom and his wife are going to be late.
When two singular subjects are joined by “and”, the verb is normally plural.

Tom, as well as his wife, is going to be late.
When two subjects are joined by “as well as”, the verb is normally singular if the first subject is singular.

You cannot use “as well as” to link two finite clauses.

She negotiates the licences and she orders the equipment. ~correct

She negotiates the licences as well as she orders the equipment. ~ wrong

2:
"entered" is a past participle of "enter ", 所以加 –ed. 是有 passive 意思
We can use a past participle in a shortened relative clause.

…. information which was entered into third-party websites
= … information entered into third-party websites

1) interchangable
2) yes