Introductory it as Subject
6.4 it V adj when/ifThe verb is followed by an adjective group and a clause beginning with when or if, which indicates a situation or event that occurs or may occur. The adjective group is the Complement.
|it||Verb group||adjective group||when/if clause|
|It||feels||good||when our tastes are similar.|
|It||seems||so unfair||when these things happen.|
These verbs are used when describing an event or experience. They are all link verbs (see Chapter 5).
be become feel look prove seem
When you're part of a team it feels weird if you leave for a while.
As my wife was supposed to be suffering from a migraine it would have looked odd if I had failed to leave the palace early.