grateful的用法及短語

　　例句：

　　I can't express how grateful I am.

　　我說不出我有多么感激。

　　These refugees are very grateful to the government's succor.

　　這些難民非常感激政府的救援。

　　I am grateful for all your past kindness.

　　多蒙關照,萬分感激。

　　I'd be grateful if you should let me know as soon as possible.

　　你若能讓我盡快知道,我會很感激的。

　　The trees afford grateful shade.

　　這些樹能為（行人)提供納涼之所。