cross, crossing, across別混淆

    cross, across, crossing這三個(gè)詞在初一下期的第三單元和第八單元中進(jìn)行了學(xué)習(xí)。但是同學(xué)們還有很多疑惑，還有困難正確使用這三個(gè)詞。

1. cross 既可作動(dòng)詞，“橫過，橫穿”之意。也可作名詞，“十字架;十字形記號(hào)”之意。

1）.It's dangerous to cross the road when the traffic light is red. We must wait till the traffic light turns green. 

2）. There is no bridge over the river. So it's difficult for them to cross the river safely. 

3）. She wants to join the Red Cross. 

2. across 是個(gè)介詞，“橫過，穿過”。正因?yàn)闈h語意思相近，同學(xué)們?cè)谑褂眠@兩個(gè)詞時(shí)就有困難辨析。across不單獨(dú)使用，需放在動(dòng)詞后表達(dá)確切的意思。如：walk across, go across, fly across, swim across, ride across, drive across, sail across等。

此外，短語across from意思為“在……對(duì)面”

1）. To get to the library, he just has to cross Centre Street. = To get to the library, he just has to walk across Centre Street. 

2). The park is across from his neighborhood. 

3. crossing 既是動(dòng)詞cross的ing形式，也可作名詞，意為“十字路口”。

1). We must wait till the water goes down before crossing the river. 

2). Turn right at the first crossing, then you'll find the museum on your left.