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.
General: An infinitive is, strictly speaking, an abstract verbal noun. The infinitive is used in Latin, as in English, as a noun: Errare humanum est = To err is. human. When so used, the Latin infinitive is an indeclinable neuter noun. The infinitive is also used in Latin, as in English, to complete the meaning of another. verb (complementary infinitive): Possum videre = I am able to see. Unlike English, Latin rarely uses an infinitive to indicate purpose. The infinitive is most widely used in Latin in Indirect Speech (Oratio Obliqua), which combines an accusative subject with an infinitive in subordinate clauses after a verbs of saying, thinking, and perceiving.