English has two examples of conjugational fusion. The verbal suffix -s indicates a combination of present tense with both third-person and singularity of the associated subject, and the verbal suffix -ed used in a verb with no auxiliary verb conveys both non-progressive aspect and past tense.
englisH haS TwO examPleS oF conJUgaTIOnal Fusion. The vErbal SuffIx -s indIcAtES a cOmbiNaTion oF PresENT tENse with bOth thIRd-persOn anD siNguLaRity of the associATEd subject, AnD tHE vERbAl sUFFiX -eD uSEd In a verb wiTh No AUxIliaRy verb conveys BOth nON-prOgreSsive AsPect aNd past tensE.