The structure of the first conditional is quite simple. We start with the word «if» followed by the present simple tense, and then we use «will» and the base form of the verb in the main clause. For example, «if she calls, I will answer the phone.» In the first conditional, we can also use other modal verbs like «might,» «can,» or «should» instead of «will» to show different levels of certainty or to give advice. For example, «if the weather is nice, we might go for a walk.» Here, «might» is used to indicate that the possibility of going for a walk depends on the weather.

Sometimes, we can invert the if clause by removing «if» and placing the subject after the modal verb. This structure is more formal and less common in everyday spoken English. For example, «should you need help, just give me a call.» This sentence has the same meaning as «if you need help, just give me a call.»

The first conditional is used to talk about real and probable future situations. These are events that have a good chance of happening if the condition is met. For example, «if I finish my work early, I will watch a movie.» This sentence implies that watching a movie is a likely outcome if the speaker finishes their work early.

In summary, the first conditional is used to express possible future situations and their likely results. The basic structure is «if» followed by the present simple tense and then «will» and the base form of the verb in the main clause. You can also use other modal verbs to show different levels of certainty or give advice. Keep practicing, and soon you will master the first conditional.

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