The following table specifies, for each kind of construct that can be logically or non-logically connected in Lojban, what kind of connective is required for both afterthought and (when possible) forethought modes. An asterisk (*) indicates that tensed connection is permitted.
A dash indicates that connection of the specified type is not possible.
| construct | afterthought logical |
forethought logical |
afterthought non-logical |
forethought non-logical |
|---|---|---|---|---|
| bridi | ijek* | gek | ijoik* | joigik |
| sumti | ek* | gek | joik* | joigik |
| bridi-tails | gihek* | gek | — | joigik |
| termsets | ek* | gek | joik* | joigik |
| tanru parts | jek | guhek | joik* | — |
| operands | ek* | gek | joik* | joigik |
| operators | jek | guhek | joik | — |
| tenses/modals | jek | — | joik | — |
| abstractors | jek | — | joik | — |