В чем заключаются особенности употребления глагола earn в разных временах английского языка?

Некоторые особенности употребления глагола earn в разных временах английского языка:

Simple Tense (простое, неопределённое время): linguabooster.com

• Present Simple (простое настоящее) — I earn, you earn, he, she earns, we earn, you earn, they earn. www.wordreference.com linguabooster.com
• Past Simple (простое прошедшее) — I earned, you earned, he, she earned, we earned, you earned, they earned. www.wordreference.com linguabooster.com
• Future Simple (простое будущее) — I will earn, you will earn, he, she will earn, we will earn, you will earn, they will earn. www.wordreference.com linguabooster.com

Continuous Tense (длительное время): linguabooster.com

• Present Simple Continuous (настоящее длительное) — I am earning, you are earning, he, she is earning, we are earning, you are earning, they are earning. linguabooster.com
• Past Simple Continuous (прошедшее длительное) — I was earning, you were earning, he, she was earning, we were earning, you were earning, they were earning. linguabooster.com
• Future Simple Continuous (будущее длительное) — I will be earning, you will be earning, he, she will be earning, we will be earning, you will be earning, they will be earning. linguabooster.com

Perfect Tense (совершенное время): linguabooster.com

• Present Perfect (настоящее совершенное) — I have earned, you have earned, he, she has earned, we have earned, you have earned, they have earned. linguabooster.com
• Past Perfect (прошедшее совершенное) — I had earned, you had earned, he, she had earned, we had earned, you had earned, they had earned. linguabooster.com
• Future Perfect (будущее совершенное) — I will have earned, you will have earned, he, she will have earned, we will have earned, you will have earned, they will have earned. linguabooster.com

Perfect Continuous Tense (длительное совершенное время): linguabooster.com

• Present Perfect Continuous (настоящее совершенное длительное) — I have been earning, you have been earning, he, she has been earning, we have been earning, you have been earning, they have been earning. linguabooster.com
• Past Perfect Continuous (прошедшее совершенное длительное) — I had been earning, you had been earning, he, she had been earning, we had been earning, you had been earning, they had been earning. linguabooster.com
• Future Perfect Continuous (будущее совершенное длительное) — I will have been earning, you will have been earning, he, she will have been earning, we will have been earning, you will have been earning, they will have been earning. linguabooster.com