curriculum/challenges/english/blocks/learn-how-to-use-conditionals/677fb3e018bb121af7f62359.md
This task doesn't have audio. Read the question below and select the correct answer.
Which sentence is grammatically correct?
If we don't backed up regularly, we could lose important information, right?
Don't backed up is not a valid verb form.
If we don't back up regularly, we could lose important information, right?
If we didn't back up regularly, we could lose important information, right?
This is grammatically correct but expresses a different meaning. It's a Second Conditional and refers to a hypothetical situation, while Bob is talking about a real possibility.
If we don't back up regularly, we can lost important information, right?
Can lost is not a valid verb phrase.
2
The First Conditional is used to describe real and possible situations in the future. It is formed with if + Present Simple (for the condition) and will + base verb (for the result). For example:
If you debug the code, the app will run smoothly. - Fixing the code will result in the app working properly.
In the correct sentence, the condition is If we don't back up regularly, and the result is we could lose important information. This suggests a real possibility.