Ek sien 'n nes bo in die boom.

'n is the Afrikaans indefinite article, equivalent to English a or an.

So:

• 'n nes = a nest

A few important points:

• It is written with an apostrophe: 'n
• It is normally not stressed
• In speech, it sounds like a very weak uh sound, similar to the unstressed vowel in English about

Also, when a sentence starts with 'n, Afrikaans usually keeps the article lowercase and capitalizes the following word instead, for example:

• 'n Nes is in die boom.

That looks unusual to English speakers, but it is standard in Afrikaans.

Afrikaans verbs are much simpler than English verbs. In the present tense, the verb usually does not change depending on the subject.

So:

• Ek sien = I see
• Jy sien = you see
• Hy sien = he sees
• Ons sien = we see

The verb stays sien in all these cases.

That is why Afrikaans does not add an -s for he/she/it the way English does.

This is the normal word order for a simple main clause in Afrikaans:

• Subject + verb + rest of the sentence

So here:

• Ek = subject
• sien = verb
• 'n nes bo in die boom = object plus location

Afrikaans main clauses often look quite close to English in simple sentences.

A natural breakdown is:

• Ek sien = I see
• 'n nes = a nest
• bo in die boom = up in the tree

Bo means above, up, or high.
In means in.

Together, bo in die boom means something like:

• up in the tree
• high in the tree

It sounds natural in Afrikaans when talking about something located among the higher parts of a tree.

So bo in die boom is not a word-for-word match to one single English word, but it expresses the idea of something being up in the tree.

Afrikaans often uses in die boom when something is located within the branches or foliage of the tree, not literally sitting on top of the tree.

A nest is usually thought of as being:

• in the tree = among the branches

If you said op die boom, it could sound more like:

• on the surface of the tree
• on top of the tree

So for a nest, in die boom is the natural choice.

Because the two nouns are doing different things:

• 'n nes = a nest → an unspecified nest
• die boom = the tree → a specific tree, or a tree understood from context

Afrikaans uses:

• 'n for a/an
• die for the

So the sentence is mixing an indefinite noun and a definite noun, just like English often does:

• I see a nest in the tree.

Yes, boom in Afrikaans means tree.

This is a case where the word looks familiar to English speakers, but it does not mean the English noun boom.

So:

• boom = tree
• bome = trees

This word is related to Dutch boom, which also means tree.

A rough guide for English speakers:

• sien sounds roughly like seen
• nes sounds roughly like ness
• boom sounds roughly like bohm or boom with a pure long vowel, not exactly like English boom

A very rough pronunciation of the whole sentence could be:

• Ek sien 'n nes bo in die boom
• ek seen uh ness boh un dee bohm

A few notes:

• Ek is usually like ek, with a short vowel
• die in standard Afrikaans is usually pronounced dee
• 'n is very weak and unstressed

Yes, you can.

• Ek sien 'n nes in die boom = I see a nest in the tree
• Ek sien 'n nes bo in die boom = I see a nest up in the tree

Adding bo gives a stronger sense that the nest is higher up in the tree. Without bo, the sentence is still correct, but it is a bit less specific about the vertical position.

Usually, nes most commonly means a nest, especially a bird’s nest. But like English nest, it can also be used more broadly in some contexts.

In this sentence, the most natural meaning is clearly:

• a bird’s nest

because it is in the tree.

The plurals are:

• nes → neste
• boom → bome

So for example:

• Ek sien neste in die bome. = I see nests in the trees.

This is useful because Afrikaans plurals are not always formed the same way, so it is worth learning each noun with its plural form.