Present Simple
1) She has breakfast at 7 o'clock - повеств
2) She doesn't have breakfast at 7 o'clock. - отриц
3) Does she have breakfast at 7 o'clock? - вопрос
1) I go to the beach every week. - повеств
2) I don't go to the beach every week. - отриц
3) Do I go to the beach evert week? - вопрос
Past Simple
1) She had breakfast at 7 o'clock. - повеств
2) She didn't have breakfast at 7 o'clock. - отриц
3) Did she have breakfast at 7 o'clock? - вопрос
1) I went to the beach yesterday. - повеств
2) I didn't go to the beach yesterday. - отриц
3) Did I go to the beach yesterday? - вопрос
Present Continuous
1) She has breakfast now. - to have - исключение,поэтому в этом предложении вместо Present Continuous употребляется Present Simple. Но может быть у вас не были рассмотрены исключения,поэтому напишу в континиусе, правда скорее всего это будет ошибкой,потом что это - искл.
1) She is having breakfast now. - повеств
2) She isn't having breakfast now. - отриц
3) Is she having breakfast now? - вопрос
1) I'm going to the beach now. - повеств
2) I'm not going to the beach now. - отриц
3) Am I going to the beach now? - вопрос