FUTURE PERFECT EXERCISE 2 (ESL)

GRAMMAR REVIEW! Future perfect

The future perfect tense is used to describe an action that will be completed before a specific time in the future. It emphasizes that something will happen before a certain point in the future.

Structure:
Subject + will have + past participle (verb in its third form)

Example:
By next year, she will have finished her project.

When to use it:
• To show an action completed before a future time:
By 8 PM, I will have eaten dinner.
• To express the duration of an action until a future point:
By the time he arrives, I will have lived here for five years.

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DID YOU KNOW?

How does the Duolingo English Test (DET) check your grammar?

The Duolingo English Test (DET) checks grammar indirectly through adaptive tasks. Key aspects include:
1. Sentence structure & word order - correct placement of subject, verb, and objects.
2. Verb forms & tenses - simple, continuous, perfect, and subject-verb agreement.
3. Articles & determiners - a, an, the, and quantifiers.
4. Prepositions - time, place, movement, and fixed phrases.
5. Pronouns & reference - personal, possessive, and relative pronouns.
6. Complex grammar (higher levels) - conditionals, passive voice, relative clauses, comparatives, and linking words.
Test format: fill-in-the-blank, sentence selection, short writing, and speaking tasks. Grammar is scored within overall language use, not as separate questions.

It measures if you can use grammar correctly and naturally rather than memorizing rules.