VERB TO SING

PRESENT SIMPLE VERB TO SING

AFFIRMATIVE                               NEGATIVE                            I NTERROGATIVE
                                                  
I sing                                                I don't sing                                     Do I sing?
You sing                                           You don't sing                                 Do you sing?
He sings                                           He doesn't sing                              Does he sing?
She sings                                          She doesn't sing                             Does she sing?
It sings                                              It doesn't sing                                Does it sing?
We sing                                            We don't sing                                 Do we sing?
You sing                                           You don't sing                                Do you sing?
They sing                                          They don't sing                              Do they sing?

Now do the following exercises to practice:
Affirmative sentences
Negative sentences 
Interrogative sentences