Помогите выбрать правильную форму глагола 1.Tom and Mary have been built/have built/have been building the house

Помогите выбрать правильную форму глагола 1.Tom and Mary have been built/have built/have been building the housefor two years. 2.My parents have been / have been being / were in Paris for a month. 3.I think the waiter has fogetting / forget / has fogotten us. We wait / have waited / have been waiting for a half an hour and nobody has taken / has been taking / took our order. 4.I dont know if he has even been noticing / noticed / has noticed us. He has been running / run / has run from the table to table. 5.Are you hungry? No, i have eaten / have been eating / am eating all day.