Раскройте скобки children usually begin) school on the first of september. 2) last year we ) school on the second of september. 3)tomorrow our lesson )at eight o'clock . 4)the children always (wear) uniforms when they are at school. как это нужно делать

1)Children usually ( begin) school on the first of September.
2) last year we (began ) school on the second of September.
3)Tomorrow our lesson (will begin)at eight o'clock .
4)The children always (wear) uniforms when they are at school.