Examples of mixed construction

MIXED:

• By studying hard, partyingg less, and working less will give me better grades this semester.

REVISED:

• Studying hard, parting less, and working less will give me better grades this semester.

MIXED:

• The older generation knows that in their younger days how irresponsible and inmoral they were.

REVISED:

• The older generation knows that in their younger days they were irresponsible and immoral.
• The older generation knows how irresponsible and immoral they were in their younger days.

MIXED:

• In furthering my education here at the college by attending adult classes has been vey interesting.

REVISED:

• In furthering my education here at the college, I have taken several interesting courses.
• Furthering my eduucation here at the college  by attending adult classes has been interesting.