Foot passengers [are/were] jostling one anotherís umbrellas in a general infection of ill-temper, and [they are/were] losing their foot-hold at street-corners, where tens of thousands of other foot passengers have been slipping and sliding since the day broke (if the day ever broke), [;they are/were] adding new deposits to the crust upon crust of mud, [which are/were] sticking at those points tenaciously to the pavement, and accumulating at compound interest.
Fog [is] everywhere. Fog [is] up the river, where it flows among green aits and meadows; fog [is] down the river, where it rolls defiled among the tiers of shipping and the waterside pollutions of a great (and dirty) city. Fog [is] on the Essex marshes, fog [is] on the Kentish heights. Fog [is] creeping into the cabooses of collier-brigs; ... .