Learn Hardcore Swahili: Watoto wanacheza mpira alasiri. - The children are playing ball in the afternoon.

It breaks down into three parts: wa- (3rd person plural subject prefix “they”), -na- (present tense marker), and cheza (verb root “play”).

Why don’t we say a separate word for “are” in wanacheza?

Swahili incorporates subject and tense markers directly into the verb. Instead of “they are” + “playing,” you get one word wanacheza.

What does mpira refer to?

Literally mpira means “ball,” but in context it commonly refers to soccer/football (or any ball game).

Where does the time word alasiri go in the sentence?

Time adverbs typically follow the verb phrase at the end. That’s why alasiri (afternoon) comes after mpira.

Could alasiri appear somewhere else?

Yes. You can front it for emphasis—Alasiri watoto wanacheza mpira—but the most neutral position is at the end.

Is there another word for “afternoon”?

Yes: mchana also means “afternoon.” Alasiri is an Arabic loanword often used in more formal contexts.

How do you make the sentence negative?

Replace the subject–tense prefix wa-…-na- with the negative wa-…-i-, yielding Watoto hawachezi mpira alasiri (“The children do not play ball in the afternoon”).

How would you turn it into a question?

Simply add Je, at the start and a question mark: Je, watoto wanacheza mpira alasiri? This means “Do the children play ball in the afternoon?”

Can you use a different tense?

Sure. For past simple, use wa-…-li-: Watoto walicheza mpira alasiri (“The children played ball in the afternoon”). For future, wa-…-ta-: Watoto watacheza mpira alasiri (“The children will play ball in the afternoon”).