If I didn't have to go to work tomorrow...	If a very attractive male / female stranger came up to me on the bus and asked me to dinner, I...	If I'd missed / come to
the class last week...	If my boss asked me to marry him / her, I...	
If there's a good film on TV tonight when I get home...	If I could live anywhere in this city, I...	If I had enough money to start my own business, I...	If I had $20,000 to put on one stock right now, I....	
I get irritable if…	If I'd had to work late tonight, I...	If the weather is nice during the next public holiday, I...	Had I been born a hundred years ago, I...	
Were you to invite me to a party tonight, I...	If I could do any job I liked, I...	If I could have a date with a famous person, I ....	If I could change one thing about my appearance, I....	
If I have enough money, I...	If I was naughty at school...	If I drink a lot of beer....	If you're late at the place I work....	
If you want to eat cheaply in this city, you...	If I could order any meal right now, I	If I could have any drink right now, I...	If I was offered a job on the other side of the world...	

Possible answers	

If I didn't have to go to work tomorrow, I'd go swimming.	Unreal - present	
If a very attractive female stranger came up to me on the bus and asked me to dinner, I'd accept out of curiosity.	Imaginary situation - future	
If I'd missed the class last week, I wouldn't be able to do this exercise.	Unreal - past	
If my boss asked me to marry him / her, I'd refuse.	Imaginary situation - future	
If there's a good film on TV tonight when I get home, I'll watch it.	Real possibility - future	
If I could live anywhere in this city, I'd choose Kowloon Tong.	Unreal - present	
If I had enough money to start my own business, I'd open a bar.	Unreal - present	
If I had $20,000 to put on one stock right now, I'd choose Google.	Unreal - present	
I get irritable if, I don’t get enough sleep.	Real - generally true - present	
If I'd had to work late tonight, I wouldn't be in the class now	Unreal - mixed conditional	
If the weather is nice during the next public holiday, I'll go camping.	Real possibility - future	
Had I been born a hundred years ago, I wouldn't have had such a good education.	Imaginary - past	
Were you to invite me to a party tonight, I'd refuse because I'm tired.	Imaginary - future	
If I could do any job I liked, I would be an archaeologist.	Imaginary - present	
If I could have a date with a famous person, I would choose Brad Pitt.	Imaginary - present	
If I could change one thing about my appearance, I would change my nose.	Imaginary - present	
If I have enough money, I'll probably buy a new phone next month.	Real possibility - future	
If I was naughty at school, I was made to stand in the corridor.	Real - generally true - past	
If I drink a lot of beer, my face goes red.	Real - generally true - present	
If you're late at the place I work, they don't mind.	Real - generally true - present	
If you want to eat cheaply in this city, you can eat at open-air food stalls.	Real - generally true - present	
If I could order any meal right now, I'd have Thai fried rice with chicken, a spicy salad and a cold beer.	Imaginary - present	
If I could have any drink right now, I'd have a mango juice.	Imaginary - present	
If I was offered a job on the other side of the world, I'd take it. if the money was right.	Imaginary - present