5 - Lamp The light source in a flashlight. In most flashlights, the lamp is either a tungsten filament (incandescent bulb) or a light emitting diode (solid state bulb), also known as an LED. The tungsten filament or LED glows when electricity flows through it, thus producing visible light.
2. Infinitives are the to form of the verb. The infinitive form of learn is to learn.. You can also use an infinitive as the subject, the complement, or the object of a sentence. Examples: 1  To learn is important. 2  subject of sentence. 3  The most important thing is to learn. complement of sentence.
Quick explanation : A verb is the action in the sentence. An infinitive is the simplest form of the verb. An infinitive ends in â r â and usually means: âto ____â. hablar-to talk. correr-to run. salir-to go out, to depart. Long explanation : Defining the terms: We should explain some terms you might see in this lesson or similar lessons. A verb is usually the action in the sentence.