extending
v.v. to make something longer or larger, or to make it last for a longer time. You use this when you want to increase the length of a deadline, a room, or a visit.
v. to increase the length, scope, or duration of something. Transitive in most contexts; often used to describe physical expansion or the prolongation of a time period.
The school is extending the summer holidays by one week.
The company is extending its reach into international markets by opening three new offices in Europe this year.
By extending the deadline for the research grant, the committee allowed several promising candidates to refine their proposals and secure the necessary institutional support.
The verb is transitive and requires a direct object. When referring to time, it often pairs with 'by' to indicate the amount of increase.
I am extending to my stayI am extending my stayExtend is a transitive verb and does not take a preposition before the object.