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 | - |