a lot of可否用在否定句中

a lot of可否用在否定句中 a lot of能否用在否定句中? a lot of在否定句或疑问句中要不要变成many a lot of 可以用在否定句中吗? a lot of可以用在否定句中吗请问? We picked a lot of oranges.（改否定句） We need a lot of rice.否定句 .如何改为否定句she does a lot of housework. she does a lot of housework .如何改为否定句 You drink a lot of tea.怎样改成否定句? my mother does a lot of housework.改为否定句 he needs a lot of money(改为否定句)