Explanation

The present perfect tense (has + past participle) needs "sewn" (past participle of "sew").

"She has sewn her dress" is grammatically correct.

Explanation

This is the easiest test I've taken.

"Easiest" is the correct superlative form of the adjective "easy" (easy → easier → easiest).

The structure follows the rule: "the + superlative adjective" (e.g., the tallest, the smartest, the easiest).

Explanation

"Though" is a conjunction used to connect two contrasting ideas: he worked hard but didn’t win.

It introduces a subordinate clause and shows contrast or concession in the sentence.

Explanation

Decorated with lights, the house looked beautiful.

This sentence uses the past participle "decorated" to combine the ideas.

It avoids repetition and clearly connects the decoration with the appearance of the house.

Explanation

A transitive verb needs a direct object to complete its meaning.

In this sentence, "brought" is the transitive verb and "a gift" is its direct object.

Explanation

"To catch the bus" starts with "to" + verb, which is an infinitive form.

It functions as a phrase explaining the purpose or reason related to "time."

Explanation

'One-fourth' uses a hyphen (-) to connect two words that together form a fraction.

A hyphen is used to join words or parts of words for clarity and meaning.

Explanation

"Dear" describes the noun "friend", so it is an adjective.

"Kindly" is an adverb.

"Door" is a noun.

Explanation

"Jumped" is an intransitive verb—it does not need a direct object.

The sentence completes its meaning without requiring anything after the verb.

Explanation

A trigraph is a group of three letters representing one sound (phoneme).

In “light”, the letters “igh” together make the long "i" sound — a clear example of a trigraph.