Choose the grammatically correct sentences in the Present Continuous.

Choose the correct option.

[He sing now.|He singing now.|He is singing now.|He is sing now.]
[Mike and Jack are playing in the garden.|Mike and Jack is playing in the garden.|Mike and Jack am playing in the garden.|Mike and Jack are play in the garden.]
[I not fishing at the moment.|I am not fishing at the moment.|I isn't fishing at the moment.|I are not fishing at the moment.]