1.1 Present Perfect affirmative / negative / interrogative 1.1 Present Perfect affirmative / negative / interrogative
Modal Verb: Have To, Has To / Don’t Have To, Doesn't Have To Modal Verb: Have To, Has To / Don’t Have To, Doesn't Have To
Verb to Be (Affirmative, Negative and Interrogative) Verb to Be (Affirmative, Negative and Interrogative)