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三年级英语上、下册中介词有哪些?

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三年级英语上、下册学习的介词主要包括以下几类,结合不同教材版本和教学重点,具体分类如下:

一、时间介词

in

- 表示在较长时间段内,如:

- 时间:in the morning(上午)、in the afternoon(下午)、in the evening(晚上)

- 空间:in the classroom(在教室里)

- 用法示例:

- The meeting starts in 30 minutes.

- The cat is in the box.

on

- 表示具体某一天或某天的上下午,如:

- 日期:on Monday(在星期一)、on August 8th(在8月8日)

- 时间:on the morning of August 8th(在8月8日上午)

- 用法示例:

- We have lunch on Tuesday.

- The letter arrived on the table.

at

- 表示具体时刻或瞬间,如:

- 时间:at 3 o'clock(在3点)、at noon(在中午)

- 地点:at the bus stop(在公交车站)

- 用法示例:

- The movie starts at 7 PM.

- We'll meet at 6 AM.

二、空间介词

in

- 表示在内部空间,如:

- 在盒子/房间/建筑物内:in the box、in the room、in the building

- 用法示例:

- The book is in my bag.

- The cat is under the table.

on

- 表示在表面或特定位置,如:

- 表面:on the table、on the floor

- 地点:on the street(在街上)、on the bridge(在桥上)

- 用法示例:

- The picture is on the wall.

- The bird is on the branch.

under

- 表示在下方,如:

- The cat is under the bed.

- The letter is under the pillow.

between

- 表示在两者之间,如:

- The book is between the two chairs.

- The park is between the city and the countryside.

三、其他常用介词

behind:

在...后面,如:

The cat is behind the sofa.

next to:在...旁边,如:

The house is next to the school.

near:在...附近,如:

The park is near the station.

above:在...上方,如:

The bird is above the tree.

四、介词短语示例

in the morning(时间)

on the right(方向)

by car(方式)

总结

三年级英语介词的学习重点在于掌握基本用法和常见搭配。建议通过填空、句型转换等练习巩固,结合生活场景记忆介词含义。不同教材可能对部分介词(如时间介词)的划分略有差异,但核心概念一致。