1) She has already seen an avalanche.
2) We have just brought all the equipment to help the injured.
3) My brother hasn’t arrived at home since the terrible earthquake.
4) I haven’t heard from him for a long time.
5) We have already raised money for the homeless.
6) They haven’t met for a long time.
7) They haven’t booked tickets to Nepal yet.
8) The earthquake has just caused a dangerous tsunami.
9) The emails from her haven’t come since last spring.
10) My brother has never tried skateboarding.