频率副词后的动词要不要变形?1:Chinese people often eat(s)cake to celebrate
频率副词后的动词要不要变形? 1:Chinese people often eat(s)cake to celebrate their birthday. 2:Chinese parents usually criticize(s ) their child when a child misbehaves. 3:I usually drink(s) water when I get ready to go to bed at night. 这三句话对吗?