went
Went is the past tense of the irregular verb go. Follow the link below to find out more and to listen to some examples.
more information: go
ended up
finished with
For more meanings of the phrasal verb end up, follow the link below to our language library.
more information: end up
done
Done is the past participle of the irregular verb do. Follow the link below to find out more and to listen to some examples.
more information: do
are eaten by krill
Notice that we use the passive with by. The passive is the verb to be, (in this case are) with a past participle (in this case eaten). You can't say that things are ate by or are eat by. We always use the past participle and say 'are eaten by' or 'is seen by' or 'was done by' .