Dreaming you see a mother-in-law, dead or alive, is ill; especially if you dream she uses violence or threatening. To dream she uses gentle speech, and gives good entertainment, implies vain hope and deceit.
Dream dictionary: dead mother in law dream meanings
…to a dream that occurred to him when he had sunk as low as any man could sink.”I had squandered two entire fortunes in drink, he said,” and, from living in a house of my own in Cadogan Gardens, was reduced to a garret in the South Lambeth Road. Not being brought up to any profession or trade, and having a serious physical defect, I could obtain no regular employment, but had to look out for odd jobs, such, for example, as carrying bags, opening carriage doors, and cleaning the brass work and windows of public, houses; and all the money I received I spent in drink. My wife had very rightly and wisely obtained a divorce from me. I was dead to all sense of decency and shame, and God alone knows in what act of outrageous devilry my wickedness might not have culminated, had it not been for…