Peter went out for a few pints

[Bassim]

I am wondering if my sentences are grammatically correct.

Peter went out for a few pints, but woke in a ditch the next morning without remembering anything from the previous evening. He blamed the memory loss on the bad quality of beer, which chemistry must have affected his brain cells.

 

[emsr2d2]

I am wondering if my sentences are grammatically correct.

Peter went out for a few pints, but woke in a ditch the next morning [STRIKE]without remembering anything from[/STRIKE] with no memory of the previous evening. He blamed [STRIKE]the memory loss[/STRIKE] it on the bad quality of beer, [STRIKE]which[/STRIKE] [STRIKE]chemistry[/STRIKE] the makeup/ingredients of which must have affected his brain cells.

See above. I imagine Peter knows he is just deluding himself - it was nothing to do with the quality of the beer, just the quantity!

 

[Rover_KE]

'... the bad quality if the beer, [STRIKE]which[/STRIKE] whose chemistry ...'