Gerund

[نهــال]

A gerund is a verbal that ends with (ing) and functions as a noun.Becuase gerund functions as a noun,it accupies some positions in a sentence

First,,, gerund as subject

Ex. Traveling might satisfy your desire for new experiences. (Traveling is the gerund which functions as subject

Second,,, gerund as direct object:
Ex. They do not appreciate my singing. (The gerund is singing which functions as object

Third,,, Gerund as subject complement:
Ex. My cat's favorite activity is sleeping. (The gerund is sleeping

Forth,,, Gerund as object of preposition
In this case ,you are required to memorize the preposition and here u will find some examples for the preposition that is followed by gerund

I've given examples for the first two expressions and u can complete the rest by your own effort

be accused of
e.g. The young man is accused of sellingillegal drugs.

be accustomed to
e.g. I am accustomed to eating spicy food.

in addition to

be afraid of

apologize (to someone) for

believe in

blame (someone) for

be capable of

be committed to

complain about

dream of

forgive (someone) for

be excited about

be guilty of

instead of

be interested in

look forward to

be opposed to

prevent (someone) from

be scared of

stop (someone) from

succeed in

take advantage of

be terrified of

thank (someone) for

think of

be tired of

be worried about

so, u must add (ing) after the verb whenever u see these preposition expression

for example(be worried about+the verb with ing+the rest of your speech