Half of the sentences in this section are correct, and half…

Half of the sentences in this section are correct, and half of them have errors with Verb Tense or Form.  Correct the errors, and leave the correct sentences alone. (answer blank or type correct.) As a teacher, I know that if things aren’t difficult, people aren’t growing. That applies to both my children and my students.

Half of the sentences in this section are correct, and half…

Half of the sentences in this section are correct, and half of them have errors with Verb Tense or Form.  Correct the errors, and leave the correct sentences alone. (answer blank or type correct.) For the past few weeks, they’ve been practicing intensely to get ready for an upcoming competition.