March 14th, 2012 
HostNine I have nine sentences need to correct.
I cant find errors>.<
pls help me.thank you for your kindness.
it's very easy to native speaker.
10.To host an international conference, many considerations must be made by the organizing committee.
11.After completing the assigned homework, the final examination was taken.
12.Identifying the unknown variables, the case study was deemed successful.
13.Their computer resembles the IBM system more than the Apple system.
14.The university network is as quick, if not quicker than, the public one.
15.A president’s authority is usually greater than a department chairman.
16.After the researcher completes the experiment, you should put away all laboratory equipment.
17.The variables can be easily calculated because it is relatively simple.
18.The statistical regression method was used to identify the relationship between the geometric orientation and correction ratio; a set of input/output patterns is also applied
thanks for everyone
I already correct the sentence.
I dont need any answers in this topic.
thank you^Q^
Chosen Answer:
12. HAVING IDENTIFIED the unknown variables, the case study was deemed successful.
15. A president’s authority is usually greater than a department chairman’S.
17. The variables can be easily calculated because THEY ARE relatively simple.
Not sure about the rest.
by: Anonymous
on: 8th April 07
Posted in 
Tags: 
visit this page and you will find out…
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Can’t find any either, sorry.
In most of these the clauses are around the wrong way.
For example,
Many considerations must be made by the organizing committee to host an international conference.
12. HAVING IDENTIFIED the unknown variables, the case study was deemed successful.
15. A president’s authority is usually greater than a department chairman’S.
17. The variables can be easily calculated because THEY ARE relatively simple.
Not sure about the rest.