Preposition - "On (Upon)"

Preposition – “On (Upon)”

The preposition on has various meanings and can be used in several contexts: position, location, contact, touch, fixed, supported by ...

Preposition - "Against"

Preposition – “Against”

Preposition “Against” with the meaning -in opposition to: Here are some examples of using the preposition against with the meaning in opposition to: The protesters rallied against the government's new tax policy. She spoke out against the proposed changes to the school curriculum.