`1` Kelly is fond of doing charity work with me on the weekends .

`-` S + enjoy/like/love/adore + V-ing + O : Ai đó thích làm điều gì .

`->` S + be + fond of/keen on/interested in/into + V-ing + O : Ai đó mê mẩn làm gì .

`2` What about helping poor children in our village `?`

`-` Let's + V-inf + O `?` : Hãy làm gì đi `!`

`->` What/How + about + V-ing + O `?` : Gợi ý làm gì .