Find the mistake

Substitution with Do So, So and Not —
Find and Correct the Error.

Find the incorrect word and choose its correction.

0 / 10 sentences corrected0%

Question 1

Applicants wishing to appeal must make so before the deadline.

Question 2

She apologised publicly. By making so, she helped restore trust.

Question 3

They were asked to destroy the records, but they may already have did so.

Question 4

The road is closed, or not I hear.

Question 5

“Is she available?” “I know so.”

Question 6

“I think the new schedule is better.” “So think I.”

Question 7

“Can you extend the deadline?” “I’m afraid no.”

Question 8

“Will the branch close?” “The manager told so.”

Question 9

“Do you think the plan will work?” “I think yes.”

Question 10

Nina submitted her report on Monday; Omar do so on Tuesday.

Practice Substitution with Do So, So and Not — Find and Correct the Error with this interactive error-correction exercise of 10 questions. Tap the word that is wrong in each sentence and choose its correction, then submit to check your answers and get detailed feedback on every sentence.

Practicing grammar in real sentences — rather than memorising rules in isolation — is one of the most effective ways to make a structure stick. You can retry as many times as you like to build accuracy and confidence using Substitution with Do So, So and Not — Find and Correct the Error in everyday English.

Looking for more practice? See all exercises for this lesson.