1 always 表示“總是”,指沒有例外,位于行為動詞前,be動詞或助動詞后。
Night always follows day. 黑夜與白晝總是相繼。
He always goes home at the weekend. 他總是在周末回來。
She is always busy. 她總是忙。
2 often 意為“經(jīng)常”,指某動作經(jīng)常發(fā)生,句中位置與always 相同。表示強調(diào)時,often 可放在句首或句尾。
I often go swimming on Sundays. 我經(jīng)常在星期天去游泳。
He is often late. 他常常遲到。
She hasn't been to the park very often . 她不常去那個公園。
3 usually 意為“通常”,指某種慣常的行為。
I usually get up at six in the morning. 我通常在早上6點鐘起床。
He usually goes to school by bus. 他通常乘公共汽車上學。