Complete Conditionals Practice Worksheets – Zero, First, Second, Third & Mixed

This comprehensive set of Conditionals Grammar Worksheets is designed to help students fully understand and confidently use all types of English conditional sentences: Zero, First, Second, Third, and Mixed Conditionals. The activities guide learners step-by-step from recognizing structures to producing their own accurate sentences in real-life and hypothetical contexts.

The worksheets cover a wide range of skills, including identifying conditional types, completing sentences with correct verb forms, sentence transformation, error correction, matching clauses, and guided writing practice. Students learn how conditionals are used to express facts and general truths, real future possibilities, imaginary present or future situations, unreal past events, and mixed time relationships.

Each worksheet includes focused tasks with multiple examples that reinforce:

Correct verb tense combinations
Use of if-clauses and result clauses
Differences between real vs. unreal situations
Logical cause-and-effect relationships
Common grammar mistakes in conditional sentences
These activities promote both grammar accuracy and critical thinking, as learners must choose forms based on meaning and time reference — not just memorization. The variety of exercise types also supports different learning styles and keeps practice engaging.

This resource is ideal for:

ESL / EFL learners
Upper elementary to secondary students
Grammar review lessons
Homework or independent practice
Test preparation and writing support
By the end of these worksheets, students will be able to recognize, form, and use conditional sentences correctly and confidently in speaking and writing.