Completar Frases Impersonal passiveVersión en línea Grammar activity about impersonal passive form. por Irvin Jason Rauda Velasco 1 was is that believing be believes will believed - 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 being be have is was reporting has reported to - 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 is that understand been understands has was understood - Experts understand that owls can turn their head up to 270° - It owls can turn their heads up to 270 ° 4 is making made assumed assumingly are to assuming make - People assume that owls make just one sound - - a hoot - Owls just one sound - - a hoo t 5 said are were saying to is aren't made make making - In fact , experts say that owls make a variety of different sounds - Owls a variety of different sound s 6 was knowking known know be knew will that is being - Experts know some species of owl eat fish as well as mammals - It some species of owl eat fish as well as mammal s
