Скажите,что это не так. 1. He............sing the song yesterday. 2. He..........sing

Скажите,что это не так. 1. He............sing the song yesterday. 2. He..........sing the song tomorow. 3. He.........singing 4. He sings Russian songs.He....... sing English songs. 5. They ......... sing. But they like to dance.