（沪教牛津版）六年级英语下册 unit4 The Earth

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（一）重点词汇
anything check collar
neck medium jeans
spot stripe sweater

（二）need的用法
1. 作情态动词，后跟不带to的动词不定式，只用于否定句和疑问句。
2. 作实义动词，后跟带to的不定式时，可用于一切句式。
You needn’t do the exercise if you find it too easy.
＝You don’t need to do the exercise if you find it too easy.
Need they come again tomorrow?
＝Do they need to come again tomorrow?
3. needn’t have done 表示"本无必要"
We needn’t have bought it.
You needn’t have taken the taxi.
You ______push. Th，大小：14.0 KB