Syntax: 'Good with them soft lips' uses the colloquial 'them' instead of 'those'. 'Word of mouth' is a noun phrase functioning as the object of the preposition 'of'. The structure is two parallel clauses connected by the conjunction 'and'.
Morphology: 'Heard' is the past participle of 'hear'. 'Good' is an adjective describing 'lips'. 'Soft' is another adjective modifying 'lips'. 'Mouth' is a singular noun. The contraction ''cause' is used for 'because'.

Syntax: This is a declarative sentence with a dependent clause introduced by ''cause' (because). 'The square root of 69' is the subject, 'is' is the linking verb, and 'eight something' is the subject complement. ''Cause I've been tryna work it out' is a subordinate clause showing reason.
Morphology: 'Square root' is a compound noun. '69' is a numeral. 'Eight' is a numeral used as part of an adjective phrase 'eight something'. 'Tryna' is a colloquial contraction of 'trying to'. 'Work it out' is a phrasal verb. 'Ow' is an interjection.

Syntax: Line 17 is a complex sentence. 'You just waiting on the traffic jam to finish' is the main clause (with implied 'are' before 'waiting'). 'Girl' is a vocative noun addressing the listener. Line 18 is a noun phrase: 'The things' (subject) modified by the relative clause 'that we could do in 20 minutes'.
Morphology: 'Waiting on' is a phrasal verb (colloquial for 'waiting for'). 'Traffic jam' is a compound noun. 'Finish' is a base form verb in the infinitive phrase 'to finish'. 'Could' is a modal verb expressing possibility. 'Do' is a base form verb after the modal. 'Girl' is a noun of direct address repeated for emphasis.

Syntax: This is a complex sentence with parallel structure. 'Not everybody' is the subject. The verbs 'knows' (singular to agree with 'everybody') governs two parallel infinitive phrases: 'how to work my body' and 'how to make me want it'. The conjunction 'but' introduces a contrasting independent clause: 'Boy you stay up on it'.
Morphology: 'Everybody' is an indefinite pronoun. 'Knows' is third person singular present tense. 'Work' and 'make' are base form verbs in the infinitive phrases. 'Stay up' is a phrasal verb. 'On it' is a prepositional phrase. 'Boy' is a vocative noun.

Syntax: This is a complex sentence. 'Hey boy' is an interjection and vocative. 'I really wanna see' is the main clause, with 'wanna' as a contraction of 'want to'. 'If you can go downtown with a girl like me' is a subordinate noun clause acting as the direct object of 'see'.
Morphology: 'Hey' is an interjection. 'Boy' is a noun of direct address. 'Wanna' is a colloquial contraction of 'want to'. 'See' is a base form verb in the infinitive. 'Can' is a modal verb. 'Go downtown' is a phrasal verb/idiom. 'Like' is a preposition meaning 'similar to'.

Syntax: Line 57 is a simple sentence: 'Baby' (vocative), 'you' (subject), 'got' (verb), 'me' (object). Line 58 uses the double negative 'ain't nowhere' for emphasis in informal speech, meaning 'there is nowhere'. 'Than with your arms around me' is a comparative clause. Line 60 uses 'back and forth' as an adverbial phrase modifying 'rock'.
Morphology: 'Ain't' is a non-standard contraction for 'is not' or 'am not'. 'Nowhere' is an indefinite pronoun. 'Would' is contracted to 'I'd'. 'Arms' is plural noun. 'Around' is a preposition. 'Rock' is a verb meaning to move gently. 'Yeah' is an interjection.