every

adj.①每一个，每个 ②每，每隔，每逢

【用法】①ever后面接单数可数名词作主语时，谓语动词用单数形式。

②ever+基数词+名词（复数），意为”每隔，每”。如：The Olympic Cames are held every four years。奥运会每四年举办一次。

③因为every是形容词，所以不能说every of us而要说each of us.

④every month, every year, ever week，every day等前不能用介词，能说on every week，in every year等。

⑤”every.…and every.…”结构作主语时，句中谓语动词用单数形式。如：Every desk and ever chair is in good order.每张桌子和每把椅子都摆放得整整齐齐

【搭配】  every now and then/again偶尔，有时