Употребите пассивный залог в следующих предложениях
1. Someone must call the police
2/ We can easily correct this mistake
3/ They may easely fool you so be careful
4/ One can not learn a foreign language in a few weeks
5/ They have to do it right now

1) The police must be called2) This mistakes can be corrected3) You may be fooled4) A foreign language can't be learnt in a few weeks5) It have being done right now