Subject-Verb and Pronoun-Noun Agreement (Exercise 1)

Stage 2 : Exercise

Subject-Verb and Pronoun-Noun Agreement (Exercise 1)

Find and correct the agreement errors in the sentences below. There is only one error in each sentence.

1.	There was some serious errors in the assignment.
2.	These tasks is very difficult to complete within the set time limits.
3.	Lack of emotional stability have negative effects on academic performance.
4.	Negative effects on academic performance often occurs because of emotional problems.
5.	Is these factors more important than those described earlier?
6.	There is many people in Hong Kong who suffer from respiratory problems.
7.	Computer-assisted Language Learning was introduced two years ago and this have had a positive effect on students' studies.
8.	Their examination results has improved this year.
9.	He make about $20,000 per month.
10.	Most of the student like his teaching style.
11.	This machine solved some existing problems but also caused some new difficulty.
12.	Old universities are preferred to newer one.
13.	One of the machine has broken down.
14.	This information are valuable for all students.
15.	Only a few students likes reading.