Infinitive: to siss
Participle: sissed
Gerund: sissing
| I | siss |
| thou | sissest |
| he;she;it | sisseth; sisses |
| we | siss |
| ye | siss |
| they | siss |
| I | sissed |
| thou | sissed(e)st |
| he;she;it | sissed |
| we | sissed |
| ye | sissed |
| they | sissed |
| I | siss |
| thou | siss |
| he;she;it | siss |
| we | siss |
| ye | siss |
| they | siss |
| I | sissed |
| thou | sissed(e)st |
| he;she;it | sissed |
| we | sissed |
| ye | sissed |
| they | sissed |
| thou | siss |
| ye | siss |
Notes: