Muuzaji alifungasha mkate na biskuti kwenye mfuko mmoja.

Muuzaji means seller or vendor.

It comes from the verb kuuza = to sell.
The ending -aji often makes an agent noun, meaning a person who does the action.

So:

• kuuza = to sell
• muuzaji = seller / one who sells

The initial m- is also part of the noun class pattern for many words referring to people in the singular.

In alifungasha, the part ali- shows:

• a- = he/she (subject marker)
• -li- = past tense

So:

• a-li-fungasha = he/she packed

Because Muuzaji is singular, the verb uses the singular subject marker a-.

The base verb is kufungasha, which means to pack, to wrap, or to put things together for carrying.

The full breakdown is:

• ku- = infinitive marker
• fungasha = verb stem

In the sentence, it becomes:

• a-li-fungasha
• he/she packed

In Swahili, the subject is usually built into the verb.

So instead of saying a separate word for he or she, Swahili often uses a subject marker inside the verb:

• a- = he/she

That means Muuzaji alifungasha already naturally means The seller packed.
You do not need an extra pronoun unless you want emphasis.

Swahili often does not mark the direct object with a special ending like some languages do. Word order usually makes the role clear.

Here:

• Muuzaji = the seller (subject)
• alifungasha = packed
• mkate na biskuti = bread and biscuits (objects)

So the meaning is understood from the normal order: subject + verb + object.

Also, there is no object marker in the verb here because the speaker simply names the things directly after the verb.

Biskuti is a loanword, and many loanwords in Swahili do not change much between singular and plural.

So:

• biskuti can mean biscuit or biscuits, depending on context

In this sentence, the meaning is plural because of the translation and context.

By contrast, mkate is a regular singular noun meaning bread or a loaf of bread, depending on context.

Here na means and.

So:

• mkate na biskuti = bread and biscuits

Be aware that na can also mean with in other contexts, so learners often meet it with more than one meaning. In this sentence, it is simply joining two nouns.

Kwenye means in, inside, on, or at, depending on context.
Here it means in:

• kwenye mfuko mmoja = in one bag

It is very common in everyday Swahili.

Compared with katika:

• katika is also often translated as in or inside
• kwenye is usually more natural in everyday speech for many concrete locations

So both can sometimes work, but kwenye mfuko mmoja sounds very normal for in one bag.

In Swahili, adjectives and numbers usually come after the noun.

So:

• mfuko mmoja = one bag
• literally: bag one

This is normal Swahili word order.

Because numbers and adjectives often agree with the noun class of the noun they describe.

Mfuko belongs to the m-/mi- noun class in the singular, so one takes the matching form:

• mfuko mmoja = one bag

Compare:

• kitabu kimoja = one book
• nyumba moja = one house
• watu wawili = two people

So mmoja is the correct agreeing form with mfuko.

Mfuko is in the m-/mi- noun class:

• singular: mfuko = bag
• plural: mifuko = bags

Yes, this affects agreement. In the sentence, the number one agrees with mfuko, so we get:

• mfuko mmoja

If it were plural, you would say:

• mifuko miwili = two bags

So noun class affects the form of words connected to the noun.

Mfuko often means bag, sack, pocket, or sometimes a container-like holder, depending on context.

In this sentence, because the meaning is already given as in one bag, mfuko is understood as bag.

So learners should know that the exact English translation can change with context.

Yes. The phrase kwenye mfuko mmoja strongly suggests they were packed into one bag, meaning together in the same bag.

If the meaning were that they were packed separately, the sentence would need to be worded differently.

Possibly, depending on context, because kufungasha can cover ideas like pack, wrap, or bundle up.

But packed is probably the safest general translation here, especially if the focus is putting the items into a bag for carrying.

So:

• packed = best neutral choice
• wrapped = possible in some contexts, but a bit less general

If the subject were plural, both the noun and the verb would change.

Singular:

• Muuzaji alifungasha = The seller packed

Plural:

• Wauzaji walifungasha = The sellers packed

Breakdown of the plural verb:

• wa- = they
• -li- = past
• fungasha = pack

So a- becomes wa- when the subject is plural people.

Yes. This is very normal Swahili word order:

• Muuzaji = subject
• alifungasha = verb
• mkate na biskuti = object
• kwenye mfuko mmoja = location / place phrase

So the pattern is basically:

Subject + Verb + Object + Location

That is one of the most common and natural sentence patterns in Swahili.