between 'when' and 'if'.

在'when'和'if'之間。

Firstly, you can use 'when' or 'if' with the present simple

首先，你可以用'when'或'if'與現在的簡單的

when it is a fact, or a repeated action.

當它是一個事實，或者是一個重複的動作。

'If or when you put water in the freezer,

'如果或當你把水放進冷凍室。

it becomes ice.'

它變成了冰。

We use 'if' for unknown or possible situations

我們用 "如果 "來表示未知或可能的情況。

'If it rains today, I'll take my umbrella.'

'如果今天下雨，我就帶傘去'。

We use 'when' to say we are certain something

我們用 "什麼時候 "來表示我們對某件事情的肯定。

is going to happen in the future.

是未來要發生。

'When I go home, I'll watch a film.'

'回家後，我就看電影'。

Compare these two sentences:

比較這兩句話。

'If I eat breakfast today, I'll have toast.'

'如果今天吃早飯，我就吃吐司。

I might not eat breakfast

我可能不吃早餐

'When I eat breakfast today, I'll have toast.'

'今天吃早餐的時候，我要吃吐司。

I will eat breakfast

我吃早餐

Anyway, that's everything for today.

總之，今天就到這裡吧。

I've got go because I'm hungry.

我得走了，因為我餓了。

If I don't eat breakfast, I get grumpy.

如果我不吃早飯，我就會脾氣暴躁。

Bye.

掰掰