Introductory “it” can fill the position both of the subject and object.

• A word when usedin sentence, do not influence the sentences meaning because it’s meaning have
• Been contained by other sentence element. Introductory it earn also function as word change the.
• It serve the purpose of subject and also object.
• It Accommodating with the word it’s change
• As subject weather situation

Example :
- Today is hot
• it is hot today
- Yesterday was cloudy
• It was cloudy yesterday
- Summer is of note of rainy
• It is of note of rainy in summer.

Showing distance
- How far is the station to your home.
- My house is far away from here.
- Is the mosque far from here
- How far is it to your home
- It is about 24 km
- Is it far from here
- Assuring / explaining tio infinitive (showing condition of)

- To do the test is not easy
* It is not easy to do the test.
- To study math is very interesting
* it is very interesting to study math
- To meet you again will be nice
* it will be nice to meet you again
• As object Assuring / explaining to infinitive (showing condition of )