Sentence analyzer
See what each word does and how the sentence works.
Experimental Results can be wrong. A result marked “Not sure” needs a human check.
Automatic analysis can make mistakes, especially with long or unusual sentences. Check the result against your meaning.
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About this analysis
What is a main clause?
A main clause can stand alone as a sentence. It usually has a subject and a finite verb.
Can I trust every word label?
No. The local word library estimates word roles from context. Unusual words and long sentences can lead to wrong labels.
Read a word order pattern
S is the subject. V is the verb. O is an object. C is a complement that describes or identifies something. A is an adverbial, such as a place phrase.
In “She gave him a book”, the pattern is S-V-O-O. “Him” is the receiver, and “a book” is the thing given.
Words can change roles
“Work” is a noun in “My work is done”. It is a verb in “I work at home”. Colour and a written label show each word’s estimated role.
Verb forms and voice
A verb phrase can include helping verbs. “Has been working” is one phrase in the present perfect continuous.
In “The letter was written”, the subject receives the action. The phrase uses passive voice. “John wrote the letter” is active.
Limits of the result
This tool uses the local compromise word library and clause rules. It can miss clauses or choose a wrong word role.
Objects and complements are possible matches. “None found” does not prove that a sentence has none. Patterns show grammatical roles, even when a question changes their order.
A full stop, a question mark or an exclamation mark does not tell the whole story. Context can change a sentence’s function.
The tool does not check grammar, grade writing or measure complexity. It does not choose between British and American usage.
More sentences to explore
The quick brown fox jumps over the lazy dog.
She runs every morning before sunrise.
Because it was raining, we stayed inside and watched a movie.
Although he studied hard, he didn’t pass the exam.
The cat that sat on the mat is very fluffy.
I enjoy reading books and writing stories.
They went to the park, but it started to rain.
If you work hard, you will succeed.
The teacher gave the students a challenging assignment.
A beautiful butterfly landed on a yellow flower.
After the storm ended, the children played outside.
She sings beautifully and dances gracefully.
The man who lives next door is a doctor.
We can go to the beach or stay home.
The large dog barked loudly at the mailman.
Sentence not checked