Irregular Verb Forms: Past Simple and Past Participle
Irregular Verb Forms in English
Here’s a list of common irregular verbs in English, showing their base form, simple past form, and past participle form:
| Base Verb | Simple Past (Irregular) | Past Participle |
|---|---|---|
| Agree | Agreed | Agreed |
| Be | Was/Were | Been |
| Become | Became | Become |
| Bring | Brought | Brought |
| Build | Built | Built |
| Buy | Bought | Bought |
| Can | Could | Been able to |
| Catch | Caught | Caught |
| Choose | Chose | Chosen |
| Come | Came | Come |
| Cost | Cost | Cost |
| Do | Did | Done |
| Drive | Drove | Driven |
| Eat | Ate | Eaten |
| Fall | Fell | Fallen |
| Feel | Felt | Felt |
| Find | Found | Found |
| Fly | Flew | Flown |
| Get | Got | Gotten |
| Give | Gave | Given |
| Go | Went | Gone |
| Grow | Grew | Grown |
| Have | Had | Had |
| Hurt | Hurt | Hurt |
| Keep | Kept | Kept |
| Knit | Knit/ |
Understanding Modern Philosophy: Renaissance to Enlightenment
Modern Philosophy: From Renaissance to Enlightenment
Culturally, the Modern Age is usually divided into the Renaissance (15th and 16th centuries), the Baroque period (17th century), and the Enlightenment (18th century).
The 14th century introduced an important change in mentality, promoting the distinction between knowledge of the supernatural order (assigned to Theology) and knowledge of nature (assigned to philosophy and science), although science had not yet fully separated from Philosophy. In
Read MoreMicrobe Identification: LPRA, Salmonella, Candida, Haemophilus
Microbacterium Leprae (LPRA)
Identification: Microbacterium leprae causes LPRA (also known as Hansen’s disease). It is an intracellular, pleomorphic bacterium, usually shaped like a stick. It is acid and alcohol resistant, remotely related to Mycobacterium tuberculosis. Histological stains include Ziehl-Neelsen, Fite-Faraco, Munxar, and Sudan III.
Form of Transmission: LPRA is not very infectious. It is transmitted through droplets from the nose and mouth, in frequent and close contact with untreated
Read MoreThe Russian Revolution and Interwar Period: Key Events
The Russian Revolution
The course of Russian history was significantly shaped by its relative isolation and backwardness compared to other European nations. Under the autocratic rule of the Czars, only limited reforms were implemented, such as the liberation of the serfs, which ultimately failed to alleviate the widespread misery of Russian peasants. The military disasters during World War I, coupled with the hardships endured by the Russian people, contributed to the downfall of the Tsarist regime.
Read MorePlato’s Philosophy: Ideas, Soul, and the World
Plato’s Philosophy: Maturity Period (385 BC – 370 BC)
The Maturity Period (385 BC – 370 BC) is a significant era in the history of literature and philosophy. During this time, Plato’s theory of practical ideas and theory of love emerged, and he exposed some of the great myths, such as the myth of the destiny of souls and the winged horse.
Influences on Plato’s Thought
Plato’s philosophy was influenced by several pre-Socratic thinkers:
- Heraclitus: Plato acknowledges Heraclitus’s concept of constant change.
Understanding Long Lease, Security Rights, and Roman Law
A long lease involves establishing plantations. The lease and the surface are legal relationships, and their historical phases were considered property rights in the post-classical period rather than the classical period, for these reasons:
- The lease concerns the ground, while the surface concerns the building to be constructed.
- Both institutions involve a personal bond in the enjoyment between the person and their right.
From Roman times, the lease was the institution used by large landowners to obtain
Read MorePhotosynthesis: Light Energy to Chemical Transformation
Photosynthesis: Transforming Light into Chemical Energy
Photosynthesis, occurring within chloroplasts, is the transformation of light energy into chemical energy. This energy is used to produce organic matter from inorganic substances. It’s essentially the reverse of respiration and is a constructive process.
Solar energy is absorbed by photosynthetic pigments in chloroplasts and used for the synthesis of ATP and glucose from CO2 and H2O. In mitochondria, the released energy is stored in the form
Steel Tempering: Enhancing Hardened Steel Properties
Tempering is a heat treatment following the hardening of steel. Its purpose is to reduce internal tensions within the piece, tensions created by strain hardening or cold working. It improves mechanical properties by reducing brittleness and slightly decreasing hardness. This effect is more pronounced at higher tempering temperatures. Tempering also aims to eliminate internal or residual stresses left in the steel due to the tempering, laminating, or forging process.
Types of Tempering
There are three
Read MoreRigor Mortis and Putrefaction: Stages, Factors, and Medicolegal Significance
Rigor Mortis: Stages and Factors
After death, rigor mortis begins, initially affecting the muscles of the jaw and eyelid, then spreading to the face and neck, subsequently invading the chest, arms, trunk, and finally the legs. In cadavers placed in a dependent position, the stiffness progresses in an ascending order. Rigor mortis is usually complete within 8 to 12 hours, reaching maximum intensity at 24 hours, and disappearing at 36 or 48 hours.
There are exceptions, including early rigidities that
Read MoreAerial Device Classification: Features and Requirements
- Aerial Device Classification: Must reach at least 65ft above grade.
- Quint (50–75): Tank & Pump Size – Supply/Attack Hose Lines – Ladders & Waterways.
- Water Tower (50–130): Below Horizontal to 90° & flows 1000gpm.
- Articulating Aerial Platform (55–85): Boom Sections with hinge. Up & Over.
- Aerial Ladder Apparatus (50–135): Most Common /WH: Ground to highest rung.
- Combo Telescoping/Articulating Aerial Device (90 – 174)
- Aerial Ladder Platform (85–110): Straight-Chassis 3-axle,