Examples.—Sur lia vizaĝo mi vidis ĝojan rideton = On his face I saw a joyful smile. Vi trovos la paperojn sur la skribtablo = You will find the papers on the writing-table. La birdo (sur)flugis sur la tegmenton = The bird flew on to the roof. Li metis la ĉapelon sur sian kapon = He put his (the) hat on his head. Li staris supre sur la monto, kaj rigardis malsupren sur la kampon = He stood above on the mountain, and looked down (below) upon the field (note the accusatives of direction, malsupren and kampon). Laŭ la komando "tri" vi ekpafos sur la arbon = At the command "three" you will shoot at (on to) the tree.

Dependence = On, to.

Examples.—Tio ĉi povas tre influi sur la sukceson de nia afero = This can have much influence on the success of our business. Sur la danan tronon mi havas rajtojn = I have rights on (to) the Danish throne.

As a prefix, Surmeti = To put on.

259 (33). Tra = Through.

Tra, trans, and preter. The following compound verbs will best show the meaning of the three prepositions:—

Preterpasi = To pass by, go beyond.

Trapasi = To pass through, to traverse.

Transpasi = To pass over, to cross over.

Example.—Trapasinte la arbaron, li preterpasis la preĝejon, kaj poste transpasis la riveron per la ponto = Having passed through (traversed) the wood, he passed by the church, and then crossed the river by the bridge.