89　at present，at the present time和presently

① at present意为“目前，现在”，为副词短语，相当于now，其中的present为名词，不可说成at the present。

At present the house is empty. 目前房子是空的。

The road is half finished at present. 现在路已修完一半了。

② at the present time也表示“当前，现在”，但这里要用定冠词the，present为形容词。

At the present time she is busy writing a grammar book. 眼下，她正忙着写一本语法书。

They are collecting money for the bridge at the present time. 他们目前在为那座桥筹集资金。

③ presently意为“马上，不久”，相当于soon。

He will be back presently. 他马上就会回来。

The plane will take off presently. 飞机很快就要起飞。