This dissertation studies the characteristics of co-occurrence of the modern Chinese modality auxiliary verb ‘能(neng)` with adverb and verb (phrase). Firstly, classified the modality auxiliary verb ‘能(neng)` into dynamic modality, deontic modality and epistemic modality from extracted sentences containing modality auxiliary verb ‘能(neng)` and then examined the types of adverbs that occurs with modality auxiliary verb ‘能(neng)` simultaneously. 能 (neng)` of dynamic modality(capability) could co-occur with every forms of adverb except ‘probability`, but the ‘能(neng)` of epistemic modality could co-occur with ‘probability` adverb. Deontic modality ‘能(neng)` has a tendency of not going with adverbs. Secondly, examined the verb phrases that co-occurs with ‘能(neng)` in accordance with their types of pattern. ‘能(neng)` of dynamic modality is mostly used with the verbs that has an independent one syllable and tend to bring complement. ‘能(neng)` of deontic modality appears mainly with bare verb in many cases and mainly accompanied in interrogative sentence or negative statement. In the case of epistemic modality ‘能(neng)`, it mostly comes up with two syllable verbs and takes high percentage of appearance with ‘有(you)` or ‘是(shi)`. Lastly, examined that the modality auxiliary verb ‘能(neng)`s grammaticalization and its process are not a chinese individual but an universal phenomenon on the basis of the analysis of syntax through this paper.