They knew him to be a delinquent. (Make it Complex)

• Simple: They knew him to be a delinquent.
• Complex: They knew that he was a delinquent.

• Sub + verb + object + to be + ........... যুক্ত Simple Sentence কে Complex Sentence এ রূপান্তর করার নিয়ম:
- Sub + verb বসে +
- that বসে +
- object এর subject রূপ বসে +
- tense অনুযায়ী auxiliary verb +
- adjective বসে।

More Examples:
• Simple: They knew him to be a reprobate.
• Complex: They knew that he was a reprobate.