频率副词表示的是事件发生的频率,在美国英语中常用的频率副词包括:
always 总是
usually 经常
often 经常
ever 在任何时候
sometimes 有时
seldom 不常
never 从不
频率副词,一般放在be动词、助动词之后,一般动词的前面。如:
Jim is always late for school.
Jim always goes to school late.
I always do arrive on time.
在简答句、简述句中,放在be动词或助动词的前面。如:
Mr. Robertson usually goes to work by bus, but Mrs. Robertson never does.
Did you ever talk to foreigners in English? No, I never did.
频率副词也可以放在句首,但是always放在句首时,后面引导的是一个原形动词开头的祈使句;never和seldom放在句首时,后面要用倒装句。
Sometimes we eat dinner at that restaurant.
Always be good.
Never will I forget what you said.
very不是频率副词,是程度副词,它是修饰形容词和副词的,放在形容词和副词前。如:
He is a very careful driver.
He drives his car very carefully.
希望我能帮助你解疑释惑。
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