To think about / take action for a future event
Past Participle form
I never plan my holiday.
She always plans everything.
A: What's for dinner?
B: I plan to cook spaghetti.
I planned my child's birthday party.
Mr. Thomas planned the school trip very well.
A: I planned the party...
B: Oh, great. Thanks. What did you do?
A: I bought the cake, made the decorations and sent out the invitations.
I'm planning to go to Italy this summer.
She's planning the lesson on the Past Perfect Simple but it's not easy.
A: What are you planning?
B: I'm planning on seeing a film tonight.
A: What time does it start?
B: 8pm. I'm going to have dinner first.
I've planned everything. Nothing can go wrong.
The policeman had planned to catch the criminal but he escaped.
A: Have you planned your new bathroom?
B: No, someone else did that. I just agreed to it.