I ordered that the driver ____ keep the car locked.

• That যুক্ত Clause:
- Sentence এ যদি that যুক্ত Clause থাকে এবং that এর আগে Verb থাকেলে তখন Should বসে।
- Verb গুলো হলো: Advise, Agree, Arrange, Ask, Beg, Command, Decide, Demand, Determine, Order, Insist, Propose, Recommend, Request, Stipulate, Suggest, Urge ইত্যাদি।

• Structure: Subject + Verb + that + Subject + should + Verb + Extension.

Correct Sentence: I ordered that the driver should keep the car locked.

Source: Advanced Learner's Communicative English Grammar & Composition By Chowdhury & Hossain.