Have sound reasoning: I must a have sound reasoning in life.
Have sound reasoning is the answer to all problems.
Impossible: Flying is impossible.
Walking on water is impossible.
Inadequate: Talking with your mouth full is inadequate.
Interrupting someone is inadequate.
Irrational: Clothes and shoes for animals are irrational.
My friend's response is irrational.
Figure (something) out: The investigators have to figure something out something better about my dog.
I should figure something out better about what happened to my teacher.
Illegal: Stealing is illegal.
Arresting someone for no reason is illegal.
Illegible: The handwriting of the doctors is illegible.
If I write with my blue pen the handwriting is illegible.
Make a conecction: You have to make a connection of father, son or either mother, son
Make a connection with your family is not easy.
Find a solution: I have to find a solution to the math exercise.
I have to find a solution to all the problems of life.
Sharpen your memory: I have to sharpen my memory so I don't forget everything.
My brother needs to sharpen his memory on homework.
Have a clue: I have a clue on who the impostor.
I have a clue what game they're talking about.
Inactive: My brother is inactive most of the time.
I am always inactive.
Illogical: Dog shoes are illogical.
Envy, arrogance, etc is illogical.
Reach a conclusion: I have to reach a conclusion about my research.
My dad must reach a conclusion about whether he will go to the office or not.
Increase your attention: I must increase my attention so as not to be so distracted.
My cousin needs to increase your attention in communication and language.
Inacurrate: My exam answer is inaccurate.
My arrow is inaccurate.
Incorrect: My homework answer is incorrect.
My project is incorrect.
Irregular: The shape of my orange is irregular.
The shape of the crystals is irregular.
Be in doubt: I should be in doubt because of the loss of my stuffed animal.
I should be in doubt that my brother hid my stuffed animal.
Incapable: I am incapable to move the stove.
My brother is I incapable to move the fridge.