The past participle comes before the noun it describes, but when it is
part of a phrase, the phrase comes
after the noun . The noun described by the past participle is the receiver
and NOT the doer of the action
expressed by the past participle .
ex.
an exposed surface ;
reflected sound waves But a mineral contained in a large rock ;
a substance made of the same kind of atoms.
2- The present participle As an Adjective
like the past participle, the present participle comes before the noun it
describes , but when it is part of a phrase , the phrase comes after the
noun .
measuring instruments ;
a separating distance.
But
instruments measuring current;
a distance separating two buildings ;
gases exerting pressure on the piston.
Exercises
1- Complete these sentences , using the past participle or the present
participle of the verb suggested in parentheses :
1- When the forces (act) on a body do not stop each other , motion is
produced.
2- The pressure (exert) on a piston makes it go down the cylinder.
3- An electric current ( move ) through a substance raises its
temperature.
4- We have all noticed the ( cool ) effect of alcohol (place) on our hand
and (expose) to the air.
5- Fuses ( make) of an alloy of lead and tin melt at a low temperature.
6- Mr. Reed (explain) his suggestions to Anne and jack drew some
plans.
7- The new stadium (build) of concrete seats 5000 spectators.
8- Particles (bear) like charges repel one another.
9- The ammeter shows the amount of current (flow) through it .
10- Steam engines (make) in large sizes are expensive to run, ( require)
tons of fuel and water.
11- Alcohol (pour) on the hand disappears, (leave) the hand cool.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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