ENGLISH
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Simple:
- he (think) ===> he thinks
- he (be) ====> he is
The sentence is thus 
He <u>thinks</u> that he <u>is</u> clever.
Learn more;work harder
#Carryonlearning
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Answer:ok ill re acencer this when you give the choices
Explanation:
Inflecting run to running changes the word would into a {ANSWER adverb} hope this helpds :*)