He didn't have a pen.
my old pen and my pen
The past simple of "have" is "had."
The simple past is had.
Past simple and simple past are both the same thing. They are both the past tense of a verb.
The simple past tense is climbed.
no
The simple past and past participle are both 'had'.
The simple past and past participle are both brought.
A ballpoint pen contains a simple machine called a lever. When you click the button at the top of the pen or press the pocket clip to extend or retract the pen tip, you are utilizing a lever mechanism.
The simple past tense is studied.
She didn't have a nice pen. Notice how the main verb (have) is in the present tense, but the negator (didn't) is in the past tense - this shows us this is a past tense sentence,
"Listened" is the past simple of "listen" as well as the past participle.