Completar frases Passive voice with modal verbsVersión en línea Let's complete some empty spaces por SANCHEZ PORRAS ARTURO 1 obligation requirement should might be loved strong past be past must not should be could permission be present danced be Let's review the uses of modal verbs . - - - The grass must cut by me on Sunday ( ) - - - Quebradita can be by all my family ( ability in ) - - - The car fixed today ( low possibility ) - - - Maroon 5 sings " she could be " ( ability in ) - - - The baby may smelled by the father ( negative ) - - - Homeworks finished by the students ( light obligation ) - - - The tests have to completed by the teachers ( ) - - - The vegetables be eaten before they decompose ( obligation ) - - - The sentence be thought more by the teacher ( ability in ) - - - A dog adoption be talked by the family ( advice or opinion )