Hope is for outcomes that are genuinely possible: "I hope the train's on time." Wish is for things that are untrue, impossible, or out of reach: "I wish I'd taken that job" means you didn't. The grammar follows the meaning — wish is followed by a past-tense verb even when you're talking about now.
Possible versus impossible
The split is about how realistic the thing is.
- Hope — it could happen, and you'd like it to: I hope she gets the promotion. We're hoping for a dry weekend.
- Wish — it isn't so, and you regret that: I wish she'd got the promotion. I wish it were a dry weekend.
Say "I wish I had a car" and you are telling everyone you don't have one. Say "I hope I get a car" and you are talking about a real prospect.
The grammar test
This is the most reliable check, because the tense gives the game away.
- After hope, use present or future: I hope you enjoy it. I hope it doesn't rain. I hope you're well.
- After wish, step the verb one tense back: I wish you enjoyed it. I wish it weren't raining. I wish I'd known.
So if your verb wants to be in the present, you almost certainly want hope. If it has slipped into the past for something happening now, you want wish.
Wish for a change of behaviour
Wish + would is a complaint about something someone keeps doing: I wish he would stop interrupting. I wish the neighbours would turn that music down. There is a note of irritation in it that hope never carries. You cannot use this pattern about yourself — "I wish I would exercise more" doesn't work; say "I wish I exercised more".
Formal wishes and set phrases
Wish has a second life in polite formulas, where the impossibility idea disappears entirely: I wish you every success. We wish you a safe journey. Wish me luck. These take a direct object rather than a clause, and they are simply what English uses on cards and in speeches.
Hope has its own set: I hope so, I hope not, hoping for the best, let's hope so.
The one to get right
The mistake that changes your meaning is using wish where you mean hope. "I wish you have a lovely holiday" is not just non-standard — read literally it suggests the holiday isn't happening. Before a trip, an exam or an interview, it is I hope you have a great time or I wish you the best of luck. Never "I wish you have".
Wish meaning want
In formal registers, wish to simply means want to: I wish to make a complaint. Passengers wishing to alight should move forward. No regret or impossibility involved — it is just stiffer English.
Frequently Asked Questions
Is it "I wish you a speedy recovery" or "I hope you a speedy recovery"?
I wish you a speedy recovery. With a direct object like this, wish is the fixed formula. Hope needs a clause instead: "I hope you recover quickly."
Should I say "I wish I was" or "I wish I were"?
Both are used. "I wish I were" is the traditional subjunctive and is preferred in formal writing; "I wish I was" is completely normal in everyday speech and increasingly in print.
Can I say "I hope I had studied harder"?
No — for regret about the past, use wish: "I wish I had studied harder." Hope can't look back at something already settled and unwanted.