Adverbs of Time

Adverbs of time tell us when something happens. They can refer to a specific point in time, a duration of time, or a frequency.
Here are some examples of adverbs of time:
Specific point in time:
 * Now: I am studying now.
 * Yesterday: I went to the park yesterday.
 * Tomorrow: I will go to the movies tomorrow.
 * Today: I am going to the library today.
 * Tonight: I am going to bed early tonight.
 * Last week: I went to a concert last week.
 * Next month: I am going on vacation next month.
 * Soon: I will be there soon.
 * Later: I will call you later.
 * Then: I went to the store, and then I went home.
Duration of time:
 * For a while: I studied for a while.
 * All day: I was at work all day.
 * Since yesterday: I have been working on this project since yesterday.
 * Briefly: I spoke to him briefly.
 * Permanently: He moved here permanently.
Frequency:
 * Always: I always go to bed early.
 * Never: I have never been to Europe.
 * Sometimes: I sometimes go out for dinner.
 * Often: I often go to the gym.
 * Usually: I usually have coffee in the morning.
 * Rarely: I rarely eat fast food.
 * Frequently: I frequently visit my family.
 * Occasionally: I occasionally go to the theater.
Adverbs of time can be placed at the beginning, middle, or end of a sentence. The placement can affect the emphasis of the sentence.
Here are some examples of how the placement of an adverb of time can affect the meaning of a sentence:
 * Yesterday, I went to the store. (Emphasis on when the action happened)
 * I went to the store yesterday. (Emphasis on the action)
 * I yesterday went to the store. (Unusual placement, may be used for emphasis)