と言う/と言っていた => you could say; one might say; I'd say ~ N5
と[言「い」]うのは => Means, is N3
Information, Report
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
と言っている => To say that ... N3
Speaking
と[言「い」]っても => Although A is the case, B (as well) N2
Lists, Examples
と[言「い」]っても => Although A is the case, B (as well) N3
List, Examples
と言っていました => Someone said... N4
Speaking
~ものとおもう => Believe~ N1
Speculation
と言われている => it is said that ~ N3
Heard
~とおもう(~と思う)      => tend to, be about to… N4
Intent
~と言ってもせいぜい~だけだ => Even if it’s said that…but it’s just…. N1
Emphasize
~とおもうまもなく => Suddenly~ N1
Right after...