As Modifier:
1. Used to introduce something you have just thought of. English = "I was just thinking that..." "It just occurred to me that..." "I think there's..."
Note:
1. Besides this meaning of introducing an idea into a conversation, the combination of signs can still be used in its more normal sense of (Y) THINK HAVE (X) ("Y thinks there is X here/there..."). Look at the definition of HAVE for more information about how that sign can be used.