( ( In ( ( the formation ) ( of ( covalent bonds ) ) ) ) ( , ( ( ( the electrons ) ( in ( ( the ( atomic orbitals ) ) ( on ( one atom ) ) ) ) ) ( ( ( interact ( with ( ( the electrons ) ( in ( ( the ( atomic orbitals ) ) ( on ( another atom ) ) ) ) ) ) ) ( to ( accomplish ( ( the sharing ) ( of ( electrons ( between ( the atoms ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (JJ covalent) (NNS bonds))))) (, ,) (NP (NP (DT the) (NNS electrons)) (PP (IN in) (NP (NP (DT the) (JJ atomic) (NNS orbitals)) (PP (IN on) (NP (CD one) (NN atom)))))) (VP (VBP interact) (PP (IN with) (NP (NP (DT the) (NNS electrons)) (PP (IN in) (NP (NP (DT the) (JJ atomic) (NNS orbitals)) (PP (IN on) (NP (DT another) (NN atom))))))) (S (VP (TO to) (VP (VB accomplish) (NP (NP (DT the) (NN sharing)) (PP (IN of) (NP (NP (NNS electrons)) (PP (IN between) (NP (DT the) (NNS atoms)))))))))) (. .)))
In the formation of covalent bonds, the electrons in the atomic orbitals on one atom interact with the electrons in the atomic orbitals on another atom to accomplish the sharing of electrons between the atoms.
(ROOT (S (NP (DT A) (NN covalent) (NN network)) (ADVP (RB solid)) (VP (VBZ is) (NP (NP (DT a) (NN compound)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT all)) (PP (IN of) (NP (DT the) (NNS atoms)))) (VP (VBP are) (VP (VBN connected) (PP (TO to) (NP (CD one) (DT another))) (PP (IN by) (NP (JJ covalent) (NNS bonds))))))))) (. .)))