110 Electronic Engineering
| Tense / verb form | Active voice | Passive voice | |||||||
| Present simple | keeps | is kept | |||||||
| Present continuous | is keeping | is being kept | |||||||
| Past simple | kept | was kept | |||||||
| Past continuous | was keeping | was being kept | |||||||
| Present perfect | have kept | have been kept | |||||||
| Past perfect | had kept | had been kept | |||||||
| Future | will keep | will be kept | |||||||
| Conditional present | would keep | would be kept | |||||||
| Conditional past | would have kept | would have been kept | |||||||
| Present infinitive | to keep | to be kept | |||||||
| Perfect infinitive | to have kept | to have been kept | |||||||
| Present participle/gerund | keeping | being kept | |||||||
| Perfect participle | having kept | having been kept | |||||||

3. Infinitive
Инфинитив – это основная неличная форма глагола.
Формальным показателем инфинитива является частица to.
Формы инфинитива
| Forms | Active voice | Passive voice |
| Simple | to fabricate | to be fabricated |
| Continuous | to be fabricating | - |
| Perfect | to have fabricated | to have been fabricated |
| Perfect Continuous | to have been fabricating | - |

Неличные формы глагола не имеют лица, числа, времени и наклонения. Они могут только обозначить время относительно глагола-сказуемого.
| Форма инфинитива | Значение | Пример | |||||
| Simple Infinitive | действие, | одновременное | Many photographers use | ||||
| (Active and Passive) | действию, | выраженному | polarizing | filters | to | polarize | |
| глаголом-сказуемым | their photos. | ||||||
| Metal components are to be | |||||||
| transported | to | the | |||||
| construction site. | |||||||
| Continuous Infinitive | действие, которое | развивается | The device seems to be | ||||
| одновременно | с | действием, | performing | its | functions | ||
| выраженным | глаголом- | correctly. | |||||
| сказуемым | |||||||
| Perfect Infinitive | действие, | которое | The company IBM claims to | ||||
| (Active and Passive) | предшествовало | действию, | have produced a new type of | ||||







