The correct answer is "The verb should be goes". The subject She is third person singular, so the verb must be goes, not go.

The correct answer is "The verb should be were". The subject students is plural, so the past tense of to be should be were, not was.

The correct answer is "The verb should be go". After the auxiliary did not, the base form of the verb go is required, not the past tense went.

The correct answer is "There is should be There are". The subject reasons is plural, so the verb should be are, not is.

The correct answer is "The phrase should be enjoys reading". The verb enjoy is followed by a gerund the ing form, not an infinitive.

The correct answer is "The verb should be is". Information is an uncountable noun and takes a singular verb is, not are.

The correct answer is "The phrase should be If I have time". In first conditional sentences, the if clause uses present simple, not will.

The correct answer is "The verb should be speak". After the modal verb can, the base form of the verb speak is required, not speaks.

The correct answer is "A comma is needed after lecture". A comma should follow the introductory phrase "After the lecture".

The correct answer is "The verb should be have". The subject Researchers is plural, so the auxiliary verb should be have, not has.

The correct answer is "The word should be effective". The sentence has no error. Effective is correctly used.

The correct answer is "The word to should be removed". After the modal verb should, the base form of the verb review is used without to.