Here is a quick overview of the active and passive voice verb forms. Tense Active voice Passive voice Simple present tense Verb form: first form… Continue reading

Form: has / have + past participle form of the verb Affirmative Negative Question I have worked. I have not worked. Have I worked? He… Continue reading

We use must in affirmative sentences to say what is necessary and to give strong advice and orders to ourselves or other people. Children must… Continue reading

Should can be used with the perfect infinitive (have + past participle). This structure has several meanings. Should have + past participle This structure is… Continue reading

When the active verb is in the simple present tense, we make passive verb forms with is/am/are + past participle form of the verb. Note… Continue reading