tolong jelaskan tenses tenses. Rumus, contoh teks.

-Simple present tense (S + V1 + O) = They walk home.
-Present continuous tense (S + to be + V-ing) = They are walking home.
-Simple past tense (S + V2 + O) = Peter lived in China in 1965.
-Past continuous tense (S + was/were + V-ing) = I was reading when she arrived.
-Present perfect tense (S + have/has + past participle) = I have lived here since 1987.
-Present perfect continuous (S + have/has been + present participle) = I have been living here for years.
SEMOGA BERMANFAAT~

1-Present Tense
   a-Positive:S+V+O.Example:I Like tea
   b-Negative:S+Don't/Doesn't+O.Example:She doesn't eating vegetables
   c-Interrogative:Do/Does+S+V+O+?.Example:Do yo like coffee?
2-Present Continous Tense
   a-Positive:S+Am/is/are+V1-ing.Example:The ships are sailing
   b-Negative:S+Am/is/are+not+V1-ing.Example:He is not smiling
   c-Interrogative:Am/is/are+S+V1-ing+?.Example:Are she smiling?
3-Present Perfect Tense
    a-Positive:S+Have/Has+V3.Example:I have read the book
    b-Negative:S+Have/has+not+V3.Example:I have not read the book
    c-Interrogative:Have/Has+S+V3+?.Example:Have I Read the book?
4-Present Perfect Continuos:Suatu bentuk kata kerja yang digunakan untuk menyatakan aksi yang telah selesai pada suatu titik di masa lalu/aksi telah dimulai di masa lalu dan terus berlanjut sampai sekaran.Rumus:
    a-Positive:S+Have/has+been+V1-ing.Example:She has been driving
    b-Negative:S+have/has+not+been+V1-ing.Example:She has not been driving
    c-Interrogative:Have/has+S+been+V1-ing+?.Example:Has she been driving?
5-Simple Past Tense
    a-Positive:S+V2.Example:The teacher came
    b-Negative:S+did+not+V2.Example:The teacher didn't came
    c-Interrogative:Did+S+V2+?.Example:Did the teacher came?
6-Past Continuous Tense
    a-Positive:S+was/were+verb-ing+O.Example:He was sleeping when I came
    b-Negative:S+was/were+not+verb-ing+O.Example:He wasn't sleeping when I came
    c-Interrogative:Was/were+S+verb-ing+O+?.Example:Was He sleeping when I Came?
7-Past Perfect Tense
    a-Positive:S+had+V3.Example:I had gone to london Yesterday
    b-Negative:S+had+not+V3.Example:I had not gone to london yesterday
    c-Interrogative:Had+S+V3+?.Example:Had I gone to london yesterday?
8-Past Perfect Continuous
     a-Positive:S+had+been+V-ing+O.Example:We had been playing kites
     b-Negative:S+had+not+been+V-ing+O.Example:We had not been playing kites
     c-Interrogative:Had+S+been+V-ing+O+?.Example:Had we been playing kites?
9-Simple Future Tense
     a-Positive:S+Will/Shall+V1.Example:She will be a famous singer in a future
     b-Negative:S+Will/Shall+not+V1.Example:She will not be a famous singer in a future.
     c-Interrogative:Will/Shall+S+V1.Example:Will she be a famous singer in a future?
10-Future Continuous Tense
     a-Positive:S+Will/Shall+be+Verb-ing+O.Example:I Will be watching a movie tonight
      b-Negative:S+Will/Shall+not+be+Verb-ing+O.Example:I will not be watching a movie tonight
      c-Interrogative:Will Shall+S+be+Verb-ing+O+?.Example:Will I watching a movie tonight?
11-Future Perfect Tense
       a-Positive:S+will+have+V3.Example:I will have graduated from junior high school next year
       b-Negative:S+will+not+have+V3.Example:I will have not graduated from junior high school next year
       c-Interrogative:Will+S+have+V3+?.Example:Will I have graduated from junior high school next year? 
12-Future Continuous Tense
        a-Positive:S+will+have+been+V-ing.Example:She will have been following the test
        b-Negative:S+Will+not+have+been+V-ing.Example:She will not have been following the test
        c-Interrogative:Will+S+have+been+V-ing+?.Example:Will She have been following the test?
sorry kalau salah.semoga membantu....