Time adverbs show when something happens. They can point to the present, the past, the future, or a time close to now. In I am busy now, now tells the time of the action. In She arrived yesterday, yesterday places the action in the past. In We will leave soon, soon points to the future. Without a time adverb, the sentence still has meaning, but the timing is less specific. Time adverbs belong to the larger group of Adverbs, and they often give a sentence its time frame.

Everyday English uses a small group of time adverbs again and again. now means at this moment. then means at that time. today means on this day. yesterday means on the day before today. tomorrow means on the day after today. soon means in a short time from now. These words are very common in speech and writing, and they often appear with simple present, past, and future sentences. They are also useful with Time Adverbs in general because they show how English speakers talk about time in a direct way.

thenlateryesterdaynowtomorrowtodaysoonrecentlyearlytonight

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It means before the expected timeIt means not long agoIt means on the day before todayIt means during the evening of todayIt means in a short timeIt means at that timeIt means after some time has passedIt means on the present dayIt means at this momentIt means on the day after today

Common time adverbs for everyday speech

Word	Definition
now	It means at this moment.
then	It means at that time.
today	It means on the present day.
yesterday	It means on the day before today.
tomorrow	It means on the day after today.
soon	It means in a short time.
later	It means after some time has passed.
tonight	It means during the evening of today.
recently	It means not long ago.
early	It means before the expected time.

Scramble

Now and then can appear at the beginning or the end of a sentence. At the beginning, they give the time first: Now I understand. Then we went home. At the end, they sound more neutral: I understand now. We went home then. Word order can change for emphasis. Now I understand puts strong attention on the present moment. I understand now sounds more like a simple statement. Then works the same way. The meaning stays the same, but the front position makes the time adverb more noticeable.

Sentence positions for now and then

Usage	Explanation
Start of sentence for focus	Use now or then at the start when you want to give that time extra focus.
End of sentence for natural speech	Use now or then at the end when you want a natural everyday rhythm.
Shifted order for emphasis	Move then to the front when you want to emphasize the time before the main idea.

In everyday statements, today, yesterday, and tomorrow usually come at the end of the sentence. I worked today. She called yesterday. We leave tomorrow. This position sounds natural and clear. These words can also begin a sentence for emphasis, especially in speaking or writing that wants to highlight the time first: Today I feel better. Yesterday was cold. Tomorrow we start the trip. The end position is the most common choice, and it is the safest pattern for ordinary English.

Typical placement of day time adverbs

Usage	Explanation
Present day reference	Use today at the end of a sentence in most everyday statements.
Past day reference	Use yesterday at the end of a sentence in most everyday statements.
Future day reference	Use tomorrow at the end of a sentence in most everyday statements.

Already and just usually go before the main verb: She already knows the answer. They just left. With be verbs, they come after the verb: He is already here. I was just leaving. In a perfect tense, they often appear between the auxiliary and the past participle: She has already finished. We have just eaten. These placements keep the sentence smooth and clear. For more about where adverbs fit in a sentence, see Adverb Placement.

Placement rules for already and just

Idea
Place already before the main verb in a standard sentence.
Place just before the main verb when it means very recently.
Place already after a form of be such as is or was.
Place just after a form of be when it is used in this position.

Yet usually appears at the end of a negative sentence or a question: I have not finished yet. Have you called yet? It can also come before a clause in formal writing: Yet he stayed calm. In everyday speech, the end position is the normal one. Still usually comes before the main verb: She still lives here. They still need help. With be verbs, still comes after the verb: He is still tired. We were still waiting. Still shows that the situation continues. Yet points to something expected but not finished or not happening at the expected time.

Placement rules for yet and still

Idea
Put yet at the end of a negative sentence to show that something has not happened so far.
Put yet at the end of a question when you ask about something expected.
Use yet before a clause when you want to connect one idea to the next.
Place still before the main verb to show that something continues.
Place still after a form of be to show that a situation continues.

Time adverbs often work together with tense to show the exact meaning of a sentence. Already and just often appear with the present perfect or past perfect: I have already seen that film. She had just left when I arrived. Still often appears with present progressive or simple present to show a continuing situation: He is still working. They still want to go. Soon often fits future forms: We will leave soon. Just can also mean exactly in expressions like just five minutes, just one answer, where it gives precision rather than recent time. The meaning comes from the whole sentence, not from the word alone.

Time adverbs with perfect and progressive tenses

Usage	Explanation
Recent past with perfect forms	Use just with the present perfect when you want to say that something happened very recently.
Exact time reference	Use just with numbers or time references when you mean exactly.
Finished action with past reference	Use already with perfect forms when an action is complete sooner than expected.
Action continuing now	Use still with progressive or simple forms when the action continues at the present time.
Expected event not happened	Use yet with perfect forms in negative statements and questions about an expected result.