Detailed explanation of gerund phrases

Detailed explanation of gerund phrases

How to learn English without knowing the usage of gerund phrases? Let me explain it to you in detail.

Gerund is the non-predicate form of verb. Gerund is the same as present participle.

Gerund has the characteristics of nouns: it can be used as subject, object and slogan in sentences. Gerund also has some characteristics of verbs: it needs an object and an adverbial to form a gerund phrase. Gerund also has active and passive, general and complete forms. Take design as an example: the main driving force

burst with vitality

General design being designed

Perfect has design and design.

Usage of gerund and gerund phrase

Gerunds and phrases can be used as subject, object and predicative in sentences. For example:

(1) Heating water will turn it into steam. Heating water can turn it into steam. (heating water is the subject of the sentence, and water is the object of heating. )

(2) Turn off the switch connecting the starting motor and the battery. When the switch is closed, the starting motor is connected to the battery. (In the sentence, the turn-off switch is the subject and the switch is the object of turn-off. )

(3) Oxygen does not burn, but it does support combustion. Oxygen cloth spontaneously ignites, but it helps to burn. Burning is a gerund used as an object of support. )

(4) It takes energy to do work or heat an object. Energy is that it can do work or heat an object. (gerunds doing and heating are both objects of the preposition in. )

(5) In the generator, mechanical energy is used to rotate the armature between the two poles of the electromagnet. In a DC generator, mechanical energy is used to turn the armature between the two poles of an electromagnet. (Gerund rotation is the object of the preposition for. )

(6) One way to put the pieces of broken iron bars together is to heat the iron block until it becomes soft, and then pour it out with a hammer. One way to connect broken iron bars is to heat the iron until it becomes soft, and then forge it with a hammer. (The words "heating" and "pounding" are both predicative. )

Passive gerund

When the logical subject of gerund is the action object of gerund, gerund usually uses the passive form. For example:

(1) When steam condenses, the energy absorbed during immersion is released in the form of heat. When steam condenses, the energy absorbed during evaporation is released in the form of heat. It is used to replace steam and is the undertaker of vaporization, so the passive form of gerund should be vaporized.

Suppose that every substance that can be magnetized consists of a large number of molecular magnets? Suppose that all substances that can be magnetized are composed of a large number of molecular magnets? In the sentence, which is used instead of substance and is the object of the verb magneize, so the gerund of magneize should be in the passive form. )

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