Three sentences are given. You need to find if they are grammatically correct or incorrect and mark the answer accordingly.

(P) I had pulled up my car when I saw him on the street with his mistress and I was shocked at his appearance.

(Q) He has become hugely fat, like bloated sausage with a leg at each corner.

(R) His eyes, bloodshot and rheumy, stared straight ahead and his tongue lolled from his jaws.