Here is a list of common IRS forms you might need to prepare your taxes

1040 Individual Income Tax Return, 1040A Individual Income Short Form, 1040EZ Individual Income Tax Return, 1099-DIV Dividend Income Worksheet, 1099-INT Interest Income Worksheet, 1099-MISC Miscellaneous Income Worksheet, 1099-MSA Medical Savings Account Distribution, 1099-R Distributions from Retirement Plans Worksheet, 2441 Child and Dependent Care Expenses, 5695 Residential Energy Credits, 6251 Alternative Minimum Tax, 8396 Mortgage Interest Credit, 8586 Low Income Housing Credit, 8829 Business Use of Your Home, 8853 Medical Savings Accounts & Long Term Care Services, 8863 Education Credits, 8880 Credit for Qualified Retirement Savings Contributions, 8885 Health Coverage Tax Credit, Schedule 1-1040A Interest & Dividend Income, Schedule 2-1040A Child and Dependent Care Expenses ,Schedule A Itemized Deductions ,Schedule C Profit or Loss from Business, Schedule D Capital Gains and Losses, Schedule EIC Earned Income Credit and Schedule SE Self-Employment Tax