Use mixed conditionals:
1 If I (do) the task yesterday, I (go) to the cinema now. 2 If he (be) a good musician, he (take0 part in the concert yesterday. 3 If they (win) the lottery, they (buy) a car 4 If I (invest) in that company 10 years ago, I (be) rich now 5 If he (not get) a loan, he (not be) able to set up a new business.