Let us here discuss a few prepositions that denote time
- At– It is used to donate specific/non-specific time of action
e.g. The program ended at 11 p.m.
We received the news at night.
- On– It is used with dates and days
e.g. There is a parent-teacher meeting on Saturday.
She was born on the 10th of July.
- In– It is used to indicate a period of time, season or a month
e.g. There will be a football tournament in December.
The prize distribution ceremony will start in fifteen minutes.
All trees get new leaves and flowers in the spring season.
- By– It is used to indicate a time limit set for an action
e.g. You must finish your task by tomorrow.
The shop will close by 8 p.m.
- For– It is used to indicate the period of time for which an action has been happening
e.g. I have been waiting for my friend for two hours.
The cookies have to be baked in the oven for half an hour.
- Since– It is used to indicate the time at which the action began
e.g. He has been sleeping since morning.
They have been working on this project since Monday.
