Grammar fix
come to think of it
reflecting / realising (spoken)
Used when you suddenly remember or realise something while speaking, often to add or correct information.
Hear it in context
Notice where the phrase sounds natural.
Come to think of it, I did see her at the supermarket yesterday.
Well, I usually prefer to study at home, but come to think of it, I actually get more done when I’m at the library because there are fewer distractions.
Fix the pattern
One small grammar move makes it sound right.
Not: Come to think about it, I left it at home.
Say: Come to think of it, I left it at home.
Fixed phrase — 'come to think OF it', not 'about it'.
Which sounds natural?
Tap the one a native speaker would say.
'Upon further reflection' is formal/written; 'come to think of it' is the spoken realisation marker.
Build natural chunks
Words that usually travel with it.
come to think of it
- come to think of it,
- actually, come to think of it
- now, come to think of it