Present Perfect Tense
Present Perfect Tense (Simple sentences) 1 2 3 4 5 examples Subject Has- Singular Have-Plural/I Verb-3rdform Objects He has worked. I have worked. It has worked. Jack and Sam have worked. Present Perfect Tense (negative sentences) Subject Has- Singular Have-Plural/I not Verb-3rdform Objects He has not worked. I have not worked. It has not worked. … Read more