Instantaneous Composition Method

Japanese Grammar: Expressing Certainty and Uncertainty 「はずだ」「違いない」「かもしれない」

Japanese Grammar: はずだ 違いない かもしれない

Before starting the exercise for expressing certainty and uncertainty 「はずだ」「ちがいない」「かもしれない」, please clarify any doubts you may have about the grammatical rules by referring to your grammar guidebook or dictionary. The Instantaneous Composition Method requires you to compose sentences with the target sentence pattern(s) over and over in order to use them almost effortlessly. You should already have the necessary knowledge.

Genki II – Lesson 14: ~かもしれない Lesson 19: ~はずです
Tae Kim’s Guide – Various degrees of certainty and Things that should be a certain way
Imabi – No Doubt that: ~に違いない

Instantaneous Composition Exercise for Expressing Certainty and Uncertainty「はずだ」「ちがいない」「かもしれない」

This is not a translation exercise. This is the Instantaneous Composition Exercise. As if a reflexive action, try to create an equivalent Japanese sentence shortly after reading an English script. Try not to think for more than three seconds.

Audio File

English and Hidden Japanese Scripts

 1.  A child should be like (his/her) parent. 
 2.  (My) friend should be coming soon. 
 3.  (It) should not be all right.
 4.  This meal must be delicious. 


 5.  Nomo-san must be good at baseball. 
 6.  Takeda-san must be in Japan. 
 7.  This may taste bad.  
 8.  (I) may be cured (from sickness). 
 9.  As for the party, (I) may not go. 
 10.  (I) may not travel this year. 


When you say something objectively, 「はずだ」 is more suitable. When you say something subjectively, 「ちがいない」 is more suitable.

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