I. перепишите следующие предложения; подчеркните в каждом из них глагол-сказуемое и определите его видовременную форму и залог. переведите предложения на язык
1. runoff occurs when precipitation that does not have an opportunity to infiltrate into the soil flows across the land surface.
2. water is supplied without any interruption to all apartments.
3 .a reservoir is a huge sophisticated hydro-technical system.
4. this scheme will provide greatly improved waterway communications
5.the rapid development of irrigation during the past one hundred years has brought acute problems of water-logging and salinity.

ii. перепишите следующие предложения. подчеркните participle i и participle 11 и установите функции каждого из них, укажите, является ли оно определением, обстоятельством или составной частью глагола-сказуемого; предложения переведите на язык.
1. the capacity of flowing water appears desirable to suitably reduce the width and increase the depth of the proposed channel after making model tests.
2. steel pipes used to sewage systems corrode very quickly.
3. among those making a contribution to the saving of aral sea are the famous writers and poets.
4. dumping oil polluted water from ships is prohibited anywhere in the sea.
5. the broadening of the water area increased evaporation and this had a huge effect on the shallow of seas.

iii. перепишите следующие предложения, подчеркните в каждом из них модальный глагол или его эквивалент; предложения переведите на язык.
1. underground water resources must be exploited more and more, as free-flow becomes less practicable.
2. water resources development cannot be successfully carried out without adequate hydrologic date.
3. a still wider range of devices may be needed for raising irrigation water from rivers and canals.
4. it is to be noted that the presence of calcium sulfate in landscapes causes the constant neutralization of bicarbonats.
5.sprinkled water may produce deep furrows and this may cause erosion on soil