Dude, believe me! If you still struggle with memorizing irregular verbs, try (to learn) them in groups of similar ones. This method helped me a lot.
learning
15
I wish my older brother (can) remember where he put my AirPods. I can’t listen to music now.
could
15
What do you miss the most about your previous school? – Well. I’m not sure. But I definitely miss (to have) a 20-minute break after the third class. I feel like I don’t have enough time now.
having
15
Excuse me, sir. Seems like this package (already/to be/open). Can we request a new one?
has already been opened
15
Veganism is getting crazy popular nowadays. My BFF Linda stopped (to eat)meat and dairy last month. And now she thinks she might want to try raw eating.
eating
15
You won’t be able to apply for any universities abroad unless you (to get) an English level certificate.
get
15
If I (to eat/not) all that food at yesterday’s party, I wouldn’t have felt so sick at night.
hadn't eaten
15
Only 1 person in our group plays this computer game. If we (to know) how to do it, he’d be able to play with us.
knew
15
Paraphrase: Katie’s not creative enough. She can’t think of any story herself.
Katie’s not creative enough. She can’t come up with any story herself.
20
Paraphrase: We have used all of our time limit.
We have run out of time.
20
Paraphrase: This film episode is much more exciting than all the previous ones.
This film episode is by far the most exciting of all.