Positive sentence:  The puppies have a home.

  Negative sentence:The puppies dont have a home.

  Question:Do the puppies have a home?

         subject     helping verb    main verb

        Simple Present:Repeated action,habit or hobby. 

反身代词

个人代词

物主代词

疑问代词

 singula piural

三单三

  subject helping verb  main verb

completed actiong in the  past

longer action started in past

that dog is his [possessive pronoun]

that is his[possessive adjective

 refiexive pronoun

who[subject]is speaking

to whon[object of the preposition] are you speaking

UNIT 2 LESSON 1 SENTENSE FORM

Sentences structure

1.Positive sentence:subject,verb

2.Negative sentences:subject,helping verb,main verb

3.Question:helping verb,subject,main verb