‘It’ as Impersonal Subject‘It’ is a pronoun. As a personal pronoun itrefers back to something that has alreadybeen mentioned.They learn to speak English before they learnto read it.Maybe he changed his mind, but I doubt it.
‘It’ as Impersonal SubjectYou can also use ‘it’ as the subject of asentence when it does not refer back toanything that has already been mentioned.This impersonal use of ‘it’ introduces newinformation, and is used particularly to talkabout times, dates, the weather, and personalopinions.
‘It’ as Impersonal SubjectYou use impersonal ‘it’ with a form of ‘be’ totalk about the time or the date.It is nearly one o’ clock.It’ s the sixth of April today.
‘It’ as Impersonal SubjectYou use impersonal ‘it’ with verbs that refer tothe weather:drizzle pour sleetthunder hail rainsnow
‘It’ as Impersonal SubjectIt’ s still raining.It snowed steadily through the night.It was pouring with rain.
‘It’ as Impersonal SubjectYou can describe the weather by using ‘it’followed by ‘be’ and an adjective with orwithout a noun.It’ s a lovely day.It was very bright.
‘It’ as Impersonal SubjectYou can describe a change in the weather byusing ‘it’ followed by ‘get’ and an adjective.It was getting cold.It’ s getting dark.
‘It’ as Impersonal SubjectYou use impersonal ‘it’, followed by a form of‘be’ and an adjective or a noun group, toexpress your opinion about a place, asituation, or an event. The adjective or noungroup can be followed by an adverbial or byan ‘-ing’ clause, a ‘to’-infinitive clause, or a‘that’-clause.
‘It’ as Impersonal SubjectIt was terribly cold in the rooms.It’ s fun working for him.It was a pleasure to be there.It’ s strange that it hasn’ t been noticedbefore.
‘It’ as Impersonal SubjectYou use ‘it’ followed by a verb such as‘interest’, ‘please’, ‘surprise’, or ‘upset’ whichindicates someone’s reaction to a fact,situation or event. The verb is followed by anoun group, and a ‘that’-clause or a ‘to’-infinitive clause.
‘It’ as Impersonal SubjectIt pleases me that he wants to talk about hiswork.It surprised him to realize that he hadn’ tthought avout them until now.
‘It’ as Impersonal SubjectYou can also use ‘it’ with the passive of areporting verb and a ‘that’-clause when youwant to suggest that an opinion or belief isshared by many people. This use isparticularly common in news reports, forexample in newspapers, news websites, onthe radio, or on television.
‘It’ as Impersonal SubjectIt was said that he could speak theirlanguage.Nowadays it is believed that the size isunimportant.It is thought that about a million puppies areborn each year.
‘It’ as Impersonal SubjectNote: The passive of reporting verbs can alsobe used without impersonal ‘it’ to expressgeneral opinions.The factories were said to be much worse.They are believed to be dangerous.