The question is clear but I would like to add an example. (My sentence may have other errors as well) I am glad that you think the same. あなたがそう思いますうれしいです I am glad that you think the same, ...
Many times I come across sentences that uses が instead of の to indicate possessiveness. Example: 彼が車 instead of 彼の車. The dictionary says that が can also "indicate possessive (esp. in literary ...