之前我們討論了：
下面討論First Conditional
When we are thinking about a possible situation in the future, we use:
當我們考慮一種在將來可能的情況時，我們使用：
If + Present verb動詞一般現在時, future verb動詞將來時
This structure is common when talking about possible plans, promises, warnings, threats or for persuading someone. We are predicting a likely result in the future if a condition is fulfilled.
當我們談論將來的計劃，承諾，警告，威脅或勸告某人時，這種結構很常見。如果滿足了這個條件，我們就預測了一個將來可能的結果。
If + Simple Present一般現在時, Will / Won't ...
If I go to Paris next month for work, I'll visit the Eiffel Tower (Plans)
If I have time, I will help you. (Promise)
If you touch that wire, you will get an electric shock. (Warning)
If you eat my chocolate that is in the fridge, you'll sleep outside with the dog.(Threat)
If you take me to the mall, I'll buy you an ice cream. (Persuasion)
If she doesn't go to university, her parents won't be happy.
If it rains, we will cancel the trip.
If that candidate becomes President, the country will be in trouble.
If I win the competition, I will donate half of the prize money to charity.
Notice how we use a comma after the present tense clause.
注意我們如何在現在時態從句後面加逗號。
We can also reverse the order and use:
我們也可以顛倒順序：
Future Verb動詞將來時 + If + Present Simple一般現在時
I will be annoyed if they don't arrive on time.
You will get a better job if you can speak English.
You will miss the bus if you don't hurry.
The dog will bite you if you pull its tail.
Your boss will be angry if you don't finish the job.
What will you do if they fire you?
You will feel better if you take this medicine.
Notice how the comma is not necessary with this word order.
注意在這種單詞語序下，逗號是不必要的。
Modal Verbs in First Conditional 情態動詞
Normally WILL is used in the main clause of first conditional sentences. However you can also use the modal verbs MAY, MIGHT and COULD when something is a possible consequence (and not a certain one) in the future.
一般來說，在第一種條件語句中，主句裡使用WILL。但是在某種後果（不肯定）在未來可能發生時，你也可以看到用情態動詞MAY, MIGHT和COULD的情況。
If you are nice to me, I may buy you a gift when I'm in Peru.
If they train a little harder, they might win the match.
If he doesn't do his work, he could get fired.
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