Hogyan vannak a következő mondatok angolul?

During we tried to help others, the wave is arrived.

When the tsunami hit the beach, it caused bigger chaos.

While the flood flooded the cities, people were escaping.

while után folyamatos

while we were trying to help...

- nem írnám, hogy flood was flooding -- While the water was flooding the town...

While we were trying to help others, the wave arrived.

When the tsunami made landfall, it caused even more chaos.

While the flood water was inundating the cities, people were fleeing on end.

#3, ha ez suliba kell, az inundate csak akkor jó, ha benne van a szókincsükben; ha az olvasmányban flood van... :)

- the wave arrived -- köszi, hogy javítottad (nem vettem észre az "is"-t)

- When the tsunami hit the coast" - is lehet.