It is surprising that she ___ say such a thing.

• That যুক্ত Clause:
- Sentence এ যদি that যুক্ত Clause থাকে এবং that এর আগে Adjective থাকলে তখন Should বসে।
- Adjective গুলো হলো: Anxious, Sorry, Happy, Concerned, Delighted, Absurd, Amazing, Annoying, Iudicrous, Odd, Ridiculous, Strange, Surprising ইত্যাদি।

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

Correct Sentence: It is surprising that she should say such a thing.

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