Same subject? reduce to -ing REWITE THE COMPLETE SENTENCE WITH CORRECT PUNCTUATION!!
1.Since he saw the new computer, Helmut wants to replace his old laptop.
2.Before he makes a big purchase, Brian always checks his bank account.
3.Because she has done extensive research on shopping addiction, Muriel understands it very well.
4.Because she has read articles on problems with credit card use, Brenda now shops more wisely.
5.Because he is concerned about overspending, my grandfather never shops online.