Baada ya kufungua kopo, mimina maziwa kwenye jagi na uweke kwenye friji.

Baada ya means after.

In this sentence, baada ya kufungua kopo means after opening the can or more literally after to open/opening the can.

A very common pattern in Swahili is:

baada ya + infinitive

For example:

• baada ya kula = after eating
• baada ya kusoma = after reading
• baada ya kufungua = after opening

So here, baada ya introduces the first action that must happen before the next ones.

Kufungua is the infinitive form, meaning to open / opening.

• fungua = open! (command)
• kufungua = to open / opening

After baada ya, Swahili normally uses the infinitive:

• baada ya kufungua = after opening

If you said baada ya fungua, that would sound ungrammatical.

So:

• fungua kopo = open the can
• baada ya kufungua kopo = after opening the can

Swahili does not have articles like a, an, or the.

So:

• kopo can mean a can or the can
• jagi can mean a jug or the jug
• friji can mean a fridge or the fridge

The exact meaning depends on context. In an instruction like this, English often uses the, but Swahili simply uses the noun by itself.

Mimina is an imperative verb form, meaning pour!

It is a direct command to one person.

From the verb:

• -mimina = pour

Imperative:

• mimina = pour!

This is very common in instructions and recipes:

• kata vitunguu = cut the onions
• ongeza maji = add water
• mimina maziwa = pour the milk

The subject you is not stated, because the imperative already implies it.

This is a very common thing learners notice.

• weka = put! / place!
• uweke = you should put / and then put

After na in a sequence of instructions, Swahili often uses the subjunctive form to express the next intended action.

So:

• mimina maziwa kwenye jagi na uweke kwenye friji = pour the milk into the jug and put it in the fridge

Here, uweke comes from:

• subject marker u- = you
• verb -weke = subjunctive form of -weka

This structure is very natural in procedural language, such as recipes and instructions.

A rough way to feel it is:

• mimina ... na uweke ... = pour ... and then put ...

Both relate to the verb -weka (to put/place), but they are different forms.

• weka = imperative, a direct command: put!
• uweke = subjunctive, often used after connectors like na in instructions, suggestions, or purpose expressions

In this sentence:

• mimina starts the command directly
• na uweke continues the sequence in a softer, connected way

So Swahili often prefers:

• Fanya A na ufanye B rather than just stacking bare imperatives.

That said, in some contexts you may also hear na weka, but na uweke is a very standard and grammatical instructional pattern.

Kwenye means something like in, into, on, or at, depending on context.

It comes from kwenye/kwenda kwenye-type locative usage and is very common in everyday Swahili.

In this sentence:

• kwenye jagi = into/in the jug
• kwenye friji = in the fridge

So kwenye is a general location/destination word. English uses different prepositions, but Swahili often uses kwenye where English would choose in, into, on, or at.

Because in both cases the idea is location or destination:

• mimina maziwa kwenye jagi = pour the milk into the jug
• uweke kwenye friji = put it in the fridge

Swahili does not always make a sharp distinction between in and into the way English does. Kwenye can cover both, and the verb usually makes the meaning clear:

• mimina already suggests movement into something
• weka also suggests putting something somewhere

So kwenye works naturally in both parts of the sentence.

Yes, maziwa does look plural, and historically it is treated as a plural-form noun.

In modern usage, maziwa means milk as an uncountable substance. English learners may expect a singular noun, but Swahili often uses noun-class patterns that do not match English countability.

So even though English says milk as an uncountable singular mass noun, Swahili uses maziwa.

This is just something to learn as a vocabulary item:

• maziwa = milk

English says put it in the fridge, but Swahili often leaves out an object if it is already obvious from context.

Here, the thing being put in the fridge is understood from the previous clause:

• first you pour the milk into the jug
• then you put it in the fridge

So uweke kwenye friji naturally means put it in the fridge, even though there is no separate word for it.

If needed, Swahili could make the object more explicit, but it is very normal to omit it when context is clear.

Friji is a borrowed word, from fridge/refrigerator.

Swahili uses many loanwords, especially for modern objects. Other examples include words borrowed from English, Arabic, and other languages.

Even though it is borrowed, it behaves like a normal Swahili noun in the sentence:

• kwenye friji = in the fridge

So learners should not be surprised to see familiar-looking words in Swahili.

Swahili, like English, often puts instructions in the order they should be done:

1. Baada ya kufungua kopo = after opening the can
2. mimina maziwa kwenye jagi = pour the milk into the jug
3. na uweke kwenye friji = and put it in the fridge

This makes the sentence feel very natural and procedural, like a recipe or set of directions.

So the structure is:

• time/action background first
• main command
• next command

That is a very common pattern in Swahili instructions.