long(ing)
1.long后面接不定式,不接for和动名词,如可以说I long to see him,不可说I long for seeing him。
2.long后面可以接for和宾语和不定式。例如:I long for you to see him.
3.long后面有时接以that引导的从句。例如:I long that you should see him. 注意用should。
4.longing后面可以接以that引导的从句。例如:I feel a great longing that you should see him. 注意用should。