副词放在动词前的例子包括：

表示时间或地点的副词

Yesterday, I went to the cinema.

She arrived at the station at 3 o'clock.

表示频率的副词

Always, he tells the truth.

She often goes to the gym.

表示方式或程度的副词

He sings beautifully.

She speaks English very well.

表示否定的副词

Never have I seen such a magnificent sunset.

He doesn't eat meat often.

表示强调的副词

Quickly, she finished her homework.

Suddenly, the phone rang.

需要注意的是，虽然有些副词通常放在动词之前，但也有一些副词如“usually”、“often”、“sometimes”等可以放在动词之后。此外，当副词修饰形容词或其他副词时，一般放在它们的前面，除非是“enough”等少数例外情况。