Subject + might + Verb1 Positive: She might teach. Negative: She might not teach. Interrogative: Might she teach? Negative Interrogative: Might she not teach? WH-Questions:

Subject + may have been + Verb4 Positive: She may have been teaching for 10 years. Negative: She may not have been teaching for 10 years. Interrogative: May she have been teaching for 10 years? Negative Interrogative: May she have been teaching for 10 years? WH-Questions:

Subject + may have + Verb3 Positive: She may have taught. Negative: She may not have taught. Interrogative: May she have taught? Negative Interrogative: May she not have taught? WH-Questions:

Subject + may be + Verb4 Positive: She may be teaching. Negative: She may not be teaching. Interrogative: May she be teaching? Negative Interrogative: May she not be teaching? WH-Questions:

Subject + may + Verb1 Positive: She may teach. Negative: She may not teach. Exclamatory: May she teach! Negative Interrogative: May she not teach? WH-Questions:

Simple: used to Subject + used to + Verb1 Positive: She used to teach. Negative: She did not use to teach. Interrogative: Did she use to teach? Negative Interrogative: Did she not use to teach? WH-Questions:

Perfect Continuous Subject + would have been + Verb4 Positive: She would have been teaching for five years. Negative: She would not have been teaching for five years. Interrogative: Would she have been teaching for five years? Negative Interrogative: Would she not have been teaching for five years? WH-Questions:

Perfect Subject + would + Verb3 Positive: She would have taught. Negative: She would not have taught. Interrogative: Would she have taught? Negative Interrogative: Would she not have taught? WH-Questions:

Future Continuous Subject + would be + Verb4 Positive: She would be teaching. Negative: She would not be teaching. Interrogative: Would she be teaching? Negative Interrogative: Would she not be teaching? WH-Questions:

Future Indefinite (Simple Future): would Subject + would + Verb1 Positive: She would teach. Negative: She would not teach. Interrogative: Would she teach? Negative Interrogative: Would she not teach? WH-Questions: