In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select No Error.
Many firms fail because when they begin exporting, they have not research the target markets or have not planned enough.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e. exporting, they have not research the.
- 'Have not research' is grammatically incorrect because when using 'have' or 'have not' it is necessary to use the past form of the verb to imply accurate sense. So, the correct form would be 'have not researched'.