A.when | B.before | C.after | D.until |
A.nor, are | B.nor, is | C.or;were | D.nor; was |
A.after | B.whether | C.if | D.that |
A.Whatever | B.Whichever | C.Whenever | D.However |
A.so; as | B.so; that | C.such; as | D.such; that |
A.while | B.as | C.until | D.when |
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