Punctuating the Conditional Sentence

Introduction

Welcome to the ESL HELP! Desk, where all activities and exercises are authentic English, from learners of English.

In this lesson we discuss how to punctuate a conditional sentence.

What's wrong with this sentence?

Problem:   If he doesn't pass the test he doesn't pass the class.

When the 'if' Clause Is First

A conditional sentence is a complex sentence and, as such, contains a main clause and a dependent (or subordinate) clause. 

The subordinate clause of a conditional sentence begin with the subordinating conjunction, 'if'. The main clause sometimes begins with the word 'then'. 

When the Result ("then") Clause Is First

Punctuation When the 'Result" (or the 'Then') Clause Is First

When the conditional sentence begins with the main clause, that is to say, the result clause, we do not generally use a comma.

  • People earn this right only if they give something in return.

  • I don't know that I would be happy if all my dreams came true.

  • I don't know which one I would choose if I had to make a choice.

When the "If" (the Condition) Clause Is First

When the sentence begins with the subordinate clause, that is to say, the 'if' or condition clause, the subordinate clause must be followed by a comma.

  • If he doesn't pass the test, he doesn't pass the class.

  • If all my dreams came true, I don't know that I would be happy.

  • If I had to make a choice, I don't know which one I would choose.

  • If people give something in return, they they earn this right.

Problem:    If he doesn't pass the test he doesn't pass the class.
Solution:    If he doesn't pass the test, he doesn't pass the class.

Problem:    If all your dreams came true would you be happy?
Solution:    If all your dreams came true, would you be happy?

Next Lesson...

Please continue with our next lesson, "Conditionals Review and Chart."

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