Восстановите предложения, употребив правильную форму глагола (Present Simple or Present Comtinuous) 1. Ken ... (play) footballwith his friends at the moment. He ... (play) football every day after school. 2. It ... (rain) today. It often (rain) ... in summer. 3. I usually ... (eat) celeal in the morning, but today I ... (have) a big breakfast. 4. Dave and Pat ... (play) the guitar every evening. They ... (practice) now. 5. Mum usually ... (shop) on Saturday morning, but she ... (not shop) today.

Ken is playing football with his friends at the moment.
Слова at the moment показывают действие прямо сейчас → Present Continuous.
He plays football every day after school.
Слова every day обозначают привычку/регулярность → Present Simple.

It is raining today.
Слово today здесь про ситуацию “сейчас/сегодня” (временное действие) → Present Continuous.
It often rains in summer.
Слово often + общий факт/повторяемость → Present Simple.

I usually eat cereal in the morning,
Слово usually = привычка → Present Simple.
but today I am having a big breakfast.
Слово today (временное, не как обычно) → Present Continuous.
(Глагол have в значении “есть/завтракать” часто употребляется в Continuous: am having breakfast.)

Dave and Pat play the guitar every evening.
Слова every evening = регулярность → Present Simple.
They are practicing now.
Слово now = прямо сейчас → Present Continuous.

Mum usually shops on Saturday morning,
Слово usually = привычка; с mum (3-е лицо ед. числа) добавляется -s → shops.
but she isn’t shopping today.
Слово today = временное действие; отрицание в Present Continuous: isn’t + V-ing → isn’t shopping.