| I | fasten |
|---|---|
| you | fasten |
| he/she/it | fastens |
| we | fasten |
| you | fasten |
| they | fasten |
| I | fastened |
|---|---|
| you | fastened |
| he/she/it | fastened |
| we | fastened |
| you | fastened |
| they | fastened |
| I | have | fastened |
|---|---|---|
| you | have | fastened |
| he/she/it | has | fastened |
| we | have | fastened |
| you | have | fastened |
| they | have | fastened |
| I | had | fastened |
|---|---|---|
| you | had | fastened |
| he/she/it | had | fastened |
| we | had | fastened |
| you | had | fastened |
| they | had | fastened |
单语范例（未经PONS编辑处理）
Astronauts first fasten themselves to the toilet seat, which is equipped with spring-loaded restraining bars to ensure a good seal.
en.wikipedia.org As you fasten your kit bag to your back, turn on your lights and peer into the cold wintery morning gloom... neither do you.
www.universitytimes.ie Standard equipment included a reclining front seats, cigar lighter, fasten seat belt warning light, driver's door mirror, twin reversing lights and a dipping rear view mirror.
en.wikipedia.org Some caftans had a square collar but the majority overlapped in the front to fasten under the arm creating a slanting collar.
en.wikipedia.org Fasten a small magnet to the front of the carpet sweeper by means of adhesive tape.
www.mirror.co.uk