Ya jefa ƙwallon ƙafa.

Ya is the 3rd person singular masculine subject marker here, so it refers to he.

In a sentence like Ya jefa ƙwallon ƙafa, ya carries both:

• the subject: he
• a completed action sense, often translated as threw or has thrown depending on context

So ya jefa is not word-for-word exactly like English he threw, but that is the natural translation.

In Hausa, the verb itself often stays the same, and the subject marker does much of the grammatical work.

So:

• Ya jefa = he threw / he has thrown
• Ta jefa = she threw / she has thrown
• Sun jefa = they threw / they have thrown

The verb jefa stays jefa. What changes is the subject part before it.

It is best understood as a completed action form, often called the completive.

In English, depending on context, it can be translated as:

• he threw
• he has thrown

If the sentence is standing alone, English learners will often first read it as he threw the football.

Because Hausa often uses a linking form when one noun is followed by another noun.

The basic noun is ƙwallo = ball.
Before ƙafa = foot, it becomes ƙwallon.

So:

• ƙwallo = ball
• ƙwallon ƙafa = literally ball of foot, meaning football / soccer ball

That -n is a very common Hausa linking element in noun combinations.

It can refer to football/soccer in general, and in some contexts it can also refer to the football/soccer ball itself.

In this sentence, because the verb is jefa = throw, the meaning is naturally understood as the ball:

• He threw the football / soccer ball.

So the verb helps tell you which meaning is intended.

Yes. Ƙafa literally means foot or leg, depending on context.

So ƙwallon ƙafa is literally something like:

• foot-ball

That is very similar to English football in its literal structure.

Hausa does not use articles the same way English does.

So a sentence like Ya jefa ƙwallon ƙafa can be translated naturally into English with:

• the football
• sometimes a football

Which one sounds best depends on context. English requires an article there, but Hausa often does not.

Ƙ is a special Hausa consonant, different from ordinary k.

A good beginner way to think of it is:

• it sounds like a stronger, tighter k
• it is pronounced farther back with a kind of constricted, forceful release

So:

• ƙwallon
• ƙafa

do not begin with exactly the same sound as plain English k.

If you are just starting, it is better to notice that ƙ and k are different letters and try to keep them distinct, even before your pronunciation is perfect.

The order is:

• Ya = subject marker
• jefa = verb
• ƙwallon ƙafa = object

So the pattern is basically Subject + Verb + Object, which is familiar to English speakers.

That makes this sentence structurally quite straightforward:

• He + threw + the football

You would say:

Ta jefa ƙwallon ƙafa.

The only change is:

• ya = he
• ta = she

The verb jefa and the object ƙwallon ƙafa stay the same.

You would say:

Ya jefa ƙwallo.

Here:

• ƙwallo = ball
• ƙwallon ƙafa = football / soccer ball

So the longer form gives a more specific kind of ball.