He had better ________ a helmet while riding his bike for safety.

• Had better এর ক্ষেত্রে:
- Had better অর্থ তবুও/ বরং ভালো।
- Had better যুক্ত sentence past tense এর হলেও তা মূলত past tense নয়।
- Had better- unreal past ইহা present/ future tense এর অর্থ প্রকাশ করে
- Had better এর পর infinitive to বসে না।
- সর্বদা verb এর base form বসে।

Examples: 
- You had better study hard if you want to pass the exam.
- We had better leave now if we want to catch the train on time.
- She had better apologize for her behavior.

Complete Sentence - He had better wear a helmet while riding his bike for safety.