NIGAP : yesterday
Ti mafañågo yo' nigap! I wasn't born yesterday!
Hu li'e gue' nigap. I saw him/her yesterday.
Nigap-ña. The day before yesterday.
Gi nigap-ña na ma susede. It happened the day before yesterday.
Nigap na puenge. The night before last night.
("Last night" has its own word in Chamorro, but we'll leave that for another post.)