The usage of be verb and auxiliary verb The usage of be verb and auxiliary verb in declarative sentence, interrogative sentence and negative sentence is concise

The usage of be verb and auxiliary verb The usage of be verb and auxiliary verb in declarative sentence, interrogative sentence and negative sentence is concise

1. Declarative sentence: be verb first person use am, second person use are, third person singular use is, plural use are
The auxiliary verb do is usually omitted and used directly. Pay attention to the tense and personal changes of the verb. Sometimes add do before the verb to emphasize and strengthen the mood!
2. Interrogative sentences: the verb be is put in advance directly, and other parts remain unchanged (changed from declarative sentences). The auxiliary verb do is also put in advance directly by ellipsis, and the following verbs remain unchanged. Pay attention to the tense and person changes of do
3. Negative sentences: be and do are followed by not