The weather hasn't been very bad this week.
They haven't seen that exhibition yet.
She hasn't improved her English a great deal.
They haven't traveled by air several times.
She hasn't lived in this city all her life.
He hasn't met him before.
He hasn't ever traveled by air.
He hasn't seen that film.
Has the weather been very bad this week?
Have they seen that exhibition yet?
Has she improved her English a great deal?
Have they traveled by air several times?
Has she lived in this city all her life?
Has he met him before?
Has he ever traveled by air?
Has he seen that film?
