# When to use Futur Simple and Futur Antérieur?

Thy M.B1Kwiziq Q&A regular contributor

# When to use Futur Simple and Futur Antérieur?

Hello,

I learnt in another lesson that after "Quand" usually + Futur simple (Quand/pendant que + future tense (Le Futur Simple) - not the present tense = When/while I do something in the future (Sequence of Tenses in French) ), but in this lesson it is + Futur Antérieur. So how do you know when to + which tense?

Or are there cases where they can be used interchangeably?

Thank you.

Chris W.C1 Kwiziq Q&A super contributor Correct answer

The difference is the relative time from which the viewer sees the events.

quand + Futur Simple: both events are in the future but the action happens during the time of the quand-event

Quand je ferai mes courses demain, je t'appellerai. -- When I'm shopping tomorrow, I'll call you.

The call happens sometime during the the shopping.

Je serai rentré chez moi quand je t'appellerai. -- I will have returned home by the time I call you.

The two events (getting home and calling) happen in a sequence, first getting home then calling.

# When to use Futur Simple and Futur Antérieur?

Hello,

I learnt in another lesson that after "Quand" usually + Futur simple (Quand/pendant que + future tense (Le Futur Simple) - not the present tense = When/while I do something in the future (Sequence of Tenses in French) ), but in this lesson it is + Futur Antérieur. So how do you know when to + which tense?

Or are there cases where they can be used interchangeably?

Thank you.

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