missing "and"  -- (MW) The untranslated word  "and" is used as the conjunction "and," but it also is used to add emphasis ("also"). In a series, it can be translated as "not only...but also."

I -- This is from the first-person, singular form of the following verb.

have, -- The word translated as "have" means to "have," "possess," "bear," "keep close," "hold in," "have means to do,"  "to have due to one," or "keep" and many specific uses. This verb isn't used to form past tenses as the helper verb does in English. Nor does it has the sense of "must" when used with infinitives.

other --  The word translated as "other" means "another," "one besides," "of another sort," "different," "other than what is true," "as well," "besides," with numerals: "yet," "still," "further." 

sheep -- "Sheep" is Christ's symbol for his followers. The Greek word refers to any domesticated animal and works better if translated simply as "flock" or "herd." The flock follows the shepherd, which is above them. It is also together, a united group.

that . -- The word translated as "that" is a demonstrative pronoun ("this" "that"), but it often acts as a pronoun "which," "what," "who," "whosoever," "where," "for which reason," and many similar meanings.

are -- The verb "are" here is the common form of "to be" in Greek. It means to have a certain characteristic or remain in a certain condition. It also equates terms or assigns characteristics.

not -- The Greek word translated as "not" is the Greek negative used to deny objective facts, not opinions. It means "no," "not," or"no truly." It makes a negative statement of fact. Adding "really" to the sentence captures the same idea. When a negative precedes the verb, it affects the whole clause.

of -- (CW) The Greek preposition translated as "of" means "out of" or "from." The word also means "beyond," "on," "in," "since," or "by"based upon its context. However, in Greek, they use the genitive case instead of a preposition for the types of phrases that are translated into English "of" phrases.

this -- The "this" is a pronoun that can mean "this" or "that," the nearer or the further depending on usage. It follows the noun so it repeats the idea of the noun as "this one."

missing "the"  -- (MW) The untranslated word is the Greek definite article,"the," which usually precedes a noun and, without a noun, takes the meaning of "the one." The Greek article is much closer to our demonstrative pronouns ("this," "that," "these," "those"). See this article for more. 

sheep pen: -   "Sheep pen" is from a noun that means "courtyard", "court", "housing for domesticated animals", "central courtyard of a house," generally, "dwelling", "abode", "chamber." It is not the word translated as "fold" later in the verse.

I -- (WF) "I" is the regular first-person pronoun in Greek as the object of the verb or preposition. It is not the subject of the following verb.

must -- (WF) The Greek verb translated as "must" is a special verb that means  "it is needful," and "there is a need." It is always singular, 3rd person. It can also mean "to lack." It works something like our word "must" but its form is fixed. It works something like our word "must" but its form is fixed. It means "it is necessary" or "it is needed." It can take both a noun object, "for me," and an infinitive verb as its object, "to do" something.

bring, - (WF) "Bring" is a Greek verb that means "to lead," "to carry," or "to fetch" and has a lot of different specific meanings in different contexts. Not all of these are negative, for example, this phrase could mean "guided."

them -- The word translated as "those" is an adjective that highlights its noun as being in a specific place or time from a word that means "there." Used a pronoun, the sense is "that one there" or "this one here." Used in the form of an adverb,  it means "in that case," "in that way," "at that place," and "in that manner."

also -- The Greek word translated as "and" is used as the conjunction "and," but it also is used to add emphasis ("also"). In a series, it can be translated as "not only...but also."

They -- This is from the third-person, plural form of the verb.

will -- This helping verb "will" indicates that the verb is the future tense or a form that indicates possibility at some time. Helping or auxiliary verbs are needed to translate the Greek verb forms into English.

too  - (IW) There is nothing that can be translated as "too" in the Greek source.

listen -- "Listen" is from a Greek verb that means "to hear" and "to listen." It has the same sense as the English not only of listening but of understanding.  It is the most common verb Jesus Christ uses meaning "to hear." It also means "to listen" and "to understand," but amusingly, it also means "to be silent." The accusative object is the person/thing heard about, while the genitive is the person/thing heard from.  Here, the "voice" is not what is heard but what is heard "from.

to -- This word "to"  comes from the genitive case of the following word that requires the addition of a preposition in English.  The most common is the "of" of possession but with "listen" "to" works best.

my .-- "My" is the first-person possessive singular pronoun. This pronoun follows the noun so "of mine."

missing "the"  -- (MW) The untranslated word is the Greek definite article,"the," which usually precedes a noun and, without a noun, takes the meaning of "the one." The Greek article is much closer to our demonstrative pronouns ("this," "that," "these," "those"). See this article for more. 

voice; - -- The noun translated as "call"  means "sound", "speech", "voice",  "cry" [of animals], "sounds" [of inanimate objects], and "report."

and -- The Greek word translated as "and" is used as the conjunction "and," but it also is used to add emphasis ("also"). In a series, it can be translated as "not only...but also."

there -- This is from the third-person, plural form of the verb.

shall -- This helping verb "shall" indicates that the verb is the future tense. Helping or auxiliary verbs are needed to translate the Greek verb forms into English.

be -- (WW) The word translated as "be" means "to become," that is, to enter into a new state. In Greek, especially as used by Jesus, it is the opposite of "being," which is existence in the current state. When applied to events, this word means "to happen," "to occur," or "take place." For things, it can be "to be produced." When the participle takes a predicate, the sense is "coming into" something.

one -- The Greek word translated as "one " means "one" (as opposed to other numbers), "single," and "one and the same."As in English, it can be used as a pronoun, meaning a single person.

flock, -- The word translated as "flock" is from the same root as "shepherd" and "sheep" so it is more like our word "sheepfold."

and - (IW) There is nothing that can be translated as "and" in the Greek source.

one -- The Greek word translated as "one " means "one" (as opposed to other numbers), "single," and "one and the same."As in English, it can be used as a pronoun, meaning a single person.

shepherd. -  "Shepherd" is a noun that means "herdsmen," "shepherd," and, generally, "captain," and "chief."