What is the difference between "prior to" and "in prior to" ? What is the difference between "prior to" and "in prior to" ? Do both mean "before"? Also, please check if this sentence is correct. "On-

Soojin

What is the difference between "prior to" and "in prior to" ? What is the difference between "prior to" and "in prior to" ? Do both mean "before"? Also, please check if this sentence is correct. "On-site welding shall be done prior to the floating test." Thanks,

20 ส.ค. 2014 เวลา 0:52

คำตอบ · 2

The phrase is "prior to". The examples I've found which have "in" before the phrase are part of a phrasal verb: [check in] prior to, the form must be [filled in] prior to... Your sentence is correct.

20 สิงหาคม 2014

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