106　always, often和usually

1　always 表示“总是”，指没有例外，位于行为动词前，be动词或助动词后。

Night always follows day. 黑夜与白昼总是相继。

He always goes home at the weekend. 他总是在周末回来。

She is always busy. 她总是忙。

2　often 意为“经常”，指某动作经常发生，句中位置与always 相同。表示强调时，often 可放在句首或句尾。

I often go swimming on Sundays. 我经常在星期天去游泳。

He is often late. 他常常迟到。

She hasn't been to the park very often . 她不常去那个公园。

3　usually 意为“通常”，指某种惯常的行为。

I usually get up at six in the morning. 我通常在早上6点钟起床。

He usually goes to school by bus. 他通常乘公共汽车上学。