英语语法求教高手进!为什么后面有介词就要从主系表里考虑?比如:Themother,inthekitchen,答案里选项是“occupied”我选的是“occupying”Themother,inthekitchen,totallyforgotthemedicine

Question

英语语法求教 高手进!
为什么后面有介词 就要从主系表里考虑?比如:The mother, _______ in the kitchen, 答案里选项是“occupied” 我选的是“occupying”
The mother, _______ in the kitchen, totally forgot the medicine on the table within the child’s reach.

Answer 1

be occupied in 固定搭配
意思是 忙于.