Category 1: Tense
Category 2: Word Formation
Category 3: Prepositions
Category 4: Word Misuse
Category 5: Logical
100

She has work here since 2021.


work → worked

100

His explanation was completely logic.


logic → logical

100

She insisted on joining in the meeting.


in →at  the

100

The teacher raised an interesting theme.


theme → question

100

The road was icy, so the driver increased speed.


increased → reduced

200

We were discussing the plan when he arrives.


arrives → arrived

200

She handled the problem professional.


professional → professionally

200

He apologized about being late.


about → for

200

She denied to answer the question.


denied → refused

200

She whispered because the hall was too noisy to hear her.


whispered → shouted

300

By the time I called, they already left.


left → had left

300

The new rule created some confuse.


confuse → confusion

300

This result depends from several factors.


from → on

300

He achieved a serious mistake.


achieved → made

300

He saved the file after deleting it permanently.


after → before

400

He will be finished the report by Friday.


finished → finish

400

His decide surprised the whole team.


decide → decision

400

We focused in the main issue.


in → on

400

We discussed about the final result.


about → -

400

The medicine helped him, so his pain became stronger.


stronger → weaker

500

I wish I know the answer now.


know → knew

500

The instructions were clear and practice.


practice → practical

500

They succeeded to solving the problem.


to → in

500

The manager suggested us a better option.


suggested → offered

500

They cancelled the meeting because everyone was present.


present → absent