You / unless / won’t win / you / the lottery / buy _____________________ a ticket.
You won’t win the lottery unless you buy a ticket.
When / need / you don’t / a patio, / you have _____________________ a garden.
When you have a patio, you don’t need a garden.
You / your exams / attend all your / won’t pass / if / you / don’t _____________________ classes.
You won’t pass your exams if you don’t attend all your classes.
You / money / will save / rent / if / you / a flat / in the _____________________ suburbs.
You will save money on rent if you live in a flat in the suburbs.
When / central heating, / you often / get more / you’ve got _____________________ colds.
When you’ve got central heating, you often get more colds.
If / more / a house / is / will be / it / detached, _____________________ expensive.
If a house is detached, it will be more expensive.
If / to / you move / you might / the country, / get more _____________________ sleep.
If you move to the country, you might get more sleep.