I am always late for school为什么这里要用be动词

I am always late for work.的同意句. I am always late for school为什么这里要用be动词 i am always late for my morning class,because of all the traffic out near where i live.求翻译 i am late.please wait for me. I am sorry I am late for class 如何回答 I am seldom late for school.------(So/Neither am I) i am always waiting for you? I am d________ sorry for being late for the party. “I am late for the party”为什么用for “I am late for the party”为什么用for I am late.Please wait for me.什么意思 Tom said,“ I am late for class.”变间接引语 I am sorry for (be) late today改错 I am seldom late for school,是neither还是so I am late for school .the teacher is very[ ] i am late for going to school 我们知道i ma late for school i am late for work.但是有i am late for doing sth 例如 i am late for handing in my homework.i am late for going to school.我知道可以说i hand in my homework late.但是我想知 i always be there for you 还是i am always there for you 指出有错误的选项：I am sorry.I am late for come to school.