1. He had........... to club

went

go

gone

going

2. They had........... a treasure in the tomb

find

founded

found

finded

3. The team had.......... all the night

sing

sang

sung

singed

4. The cat had.......... under the bed when the girl entered

hide

hided

hidden

hiding

5. Ahmed had.......... on the ground when he crashed into the wall

fell

fallen

falled

falling

6. The water had........... when the temperature decreases -3

frozen

freezed

freeze

freezing