| Time words and phrases |
Example |
| when |
It'll be wonderful when scientists find/have found a cure for cancer. |
| as soon as |
Let me know as soon as your new computer arrives/has arrived. |
| before |
It'll be several years before we send/we've sent a manned mission to Mars. |
| after |
Let's go for a pizza after we go/have been to the natural history museum. |
| until / till |
The rocket won't be launched until they do / have done a final check. |
| while |
Think of me while you travel/are travelling to the Moon! |
| once |
We'll stop for petrol once we pass / we've passed Cambridge |
