Read the following sentences. These sentences may contain an error. You have to find that part of the sentence which contains the error. Select your answer carefully.
"she usually will bring" should be replaced by "she usually brings"
"increase every year" should be replaced by "increases every year"
"to have spent all his day in the party" should be replaced by "to spend all his day in the party"
"Mathematics are included" should be replaced by "Mathematics is included"
It is correct sentence.
"and put it on the" should be replaced by "and put them on the "
"This road is worst than" should be replaced by "This road is worse than"
"are responsible for cheating" should be replaced by "is responsible for cheating"
"When he finished his work" should be replaced by "When he had finished his work"
"until she would have spent" should be replaced by "until she had spent"