1. (First conditional) If we __________________ (not / work) harder, we__________________ (not pass) the exam

To complete the sentence using the first conditional structure, follow these steps:

Break Down the Problem

1. Identify the correct verb forms required for the missing parts of the sentence.
2. Understand the first conditional structure, which is used for real and possible situations in the future.

Relevant Concepts

• The first conditional structure is formed as follows:
  If + present simple, will + base form of the verb.
• In this case, we are focused on the negative form of the verbs.

Analysis and Detail

1. The first part of the sentence: "If we do not work harder"

   • The verb "work" needs to be in the present simple negative form: "do not work."

2. The second part of the sentence: "we will not pass the exam"

   • The verb "pass" needs to be in the future tense negative form: "will not pass."

Verify and Summarize

The completed conditional sentence reads:
"If we do not work harder, we will not pass the exam."

Final Answer

If we do not work harder, we will not pass the exam.