Compléter Impersonal passiveVersion en ligne Grammar activity about impersonal passive form. par Irvin Jason Rauda Velasco 1 that be was believes is believed believing will - Experts believe that there are over 200 species of owl in the world - It there are over 200 species of owl in the worl d 2 has reporting being reported be have was to is - Some people report that the owl population of some species is lower than in the past . - The owl population of some species lower than in the past . 3 that was has is understands understood been understand - Experts understand that owls can turn their head up to 270° - It owls can turn their heads up to 270 ° 4 making to is made assuming make are assumed assumingly - People assume that owls make just one sound - - a hoot - Owls just one sound - - a hoo t 5 made are were making said to make is saying aren't - In fact , experts say that owls make a variety of different sounds - Owls a variety of different sound s 6 being knowking that will known was know knew be is - Experts know some species of owl eat fish as well as mammals - It some species of owl eat fish as well as mammal s
