Originally Posted by whl626
Regarding #9 and 10
Some authors call it "present subjunctive"; others "mandative subjunctive". This "mandative subjunctive" has only one form, the base verb, so there is no concord between subject and finite verb in the 3rd person singular present. ( #10: have) :D
#1: I think 'which' is fine. As far as I know, comma is not allowed in front of a relative pronoun 'that'.
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