I've started my new job last week.

• Explanation: 'I've started' (present perfect) indicates a recent action connected to the present.

Have you ever been to the USA?

• Explanation: 'Been' (present perfect) asks about life experiences.

They've always loved playing basketball - they play three times a week!

• Explanation: 'Always loved' (present perfect) shows a continuous preference that started in the past and continues now.

Jill spoke to her boss last night.

• Explanation: 'Spoke' (simple past) indicates a completed action that happened specifically in the past.

I worked in a café when I was a student.

• Explanation: 'Worked' (simple past) refers to a specific time in the past without relevance to the present.

I've never been to a concert in my life.

• Explanation: 'Never been' (present perfect) emphasizes the lack of experience up to now.