The document provides examples of how to form sentences using different tenses in English, including present simple, present continuous, present perfect, future with "going to", and past continuous. It shows affirmative, negative, and interrogative forms for each tense with the verbs "to work", "to be", and "to go".

1. Present Tenses

2. ( + ) he-she-it + -s/-es walk/s go/es ( ? ) he-she-it ‘does’ Does he work? I-you-we-they ‘do’ Do they work? * ( - ) he-she-it doesn’t He doesn’t work. I-you-we-they don’t They don’t work .

3. TO BE + -ING ( to be : am, is, are) e.g. ( + ) He is working. ( - ) He isn’t working. ( ? ) Is he working?

4. have or has + past participle (3) e.g. ( + ) He has worked ( - ) He hasn’t worked ( ? ) Has he worked?

5. ( + ) Regular or irregular verbs e.g. He worked yesterday . ( - ) Didn’t + infinitive verb e.g. He didn’t work yesterday. ( ? ) Did + infinitive verb e.g. Did he work yesterday?

6. Be + going to + infinitive ( + ) e.g. He is going to work tomorrow. ( - ) e.g. He isn’t going to work tomorrow. ( ? ) e.g. Is he going to work tomorrow?

7. Long activity in progress when a past event happened e.g . He was working when his telephone rang.