First Conditional Worksheet B1 — If Clauses for Real Possibilities

First Conditional Worksheet B1 — If Clauses for Real Possibilities

The first conditional (if + present, will + base verb) is what adults use to talk about real possibilities: “If it rains, I’ll bring an umbrella” / “If you need help, just ask.” This worksheet teaches the form and the contexts where it’s used.

What This Worksheet Covers

• Form: if + present simple, will + base verb
• Real possibilities and likely outcomes
• Promises and warnings
• Negotiations and conditions
• Time clauses with when, as soon as, until, before
• 35+ exercises with answer key

How to Use This Worksheet

Warm-up (5 min): Show 5 first conditional sentences. Ask: “Are these real possibilities or imaginary situations?”

Section 1-2 (20 min): Students complete first conditional exercises.

Section 3 (10 min): Time clauses — students combine first conditional with when/as soon as/until.

Section 4 (10 min): Mixed practice — students choose between first and second conditional.

Production (15 min): Students write about their real plans using first conditional.

Why Adults Need This Worksheet

Adults use first conditional constantly: “If I get the job, I’ll move” / “If you need anything, let me know.” Mastering it is essential for clear communication about real possibilities.

Worksheet Sections (PDF Preview)

Section 1: First Conditional Form (15 items)

Complete the sentences with the correct form. If + present, will + base verb.

Section 2: First Conditional in Context (10 items)

Real possibilities, promises, warnings, negotiations.

Section 3: Time Clauses (5 items)

Combine first conditional with when, as soon as, until, before.

Section 4: First vs Second Conditional (5 items)

Choose between first and second conditional based on context.

Section 5: Production Activity

Students create their own first conditional sentences about their real plans.

FAQ

What does this worksheet cover?

First conditional form, usage, time clauses, and first vs second conditional. 35+ exercises with answer key.

What level is this worksheet for?

B1. Students should know present and past tenses. The focus is on the if/will structure and when to use first vs second conditional.

Can I modify it for my students?

Yes. The PDF is for personal classroom use. You can adapt the exercises to match your students’ needs, interests, and current topics.

How long does this worksheet take?

30-45 minutes for the core exercises, 60 minutes with production. Can be split across 2 classes.

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About This Worksheet

This worksheet is part of eslmaterials.org’s library of free, printable ESL resources for adult learners. All worksheets are designed by experienced teachers and tested in real classrooms.

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