If + would like / care can be used instead of if + want / wish and it is more polite
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If you would like to come, I’ll get a ticket for you.
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If he would like to leave his car here, he can.
If would like has no object, we can omit the would.
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If you like, I’ll get a ticket for you.
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If he likes, he can leave his car here.
If + should can be used in conditional sentence type 1 to indicate that the action is not very possible to happen. It’s
chiefly in written instructions.
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If these biscuits arrive in a damaged condition, please inform us at once.
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If these biscuits should arrive in a damaged condition, please inform us at once.
