| One of the PCs in the warehouse is broken. | |
| All of the P.C.s in the warehouse are broken. | |
| All of the PCs in the warehouse are broken. | |
| All of the PC`s in the warehouse are broken. |
| Did the storm affect your business? | |
| The bright sun is affecting my eyes and making it difficult to drive. | |
| Don`t allow your negative opinion of his wife to effect your opinion of him. | |
| What effect did the storm have on your business? |
| I can not be gone for long. | |
| I can`t be gone for long. | |
| She can not only run fast but has great stamina too. | |
| I cannot be gone for long. |