They do work или They does work ?В каком случае употребляем do/does, have/has или was/were? От чего конкретно зависит, пишем мы do или же does, например ?
Смотри, какая схема. Do - все местоимения, кроме He/She/It Does - He/She/It На have то же самое. Was - единственное число. Were - множественное число. К примеру, He has got a dog. He was playing football. They were playing computer games.