Change the sentence - put the verb into Present, Past, Future Simple, make it positive and negative.

We always use our mobile phones.

Positive:Present - We always use our mobile phonesPast - We always used our mobile phonesFuture - We will always use our mobile phonesNegative: Present - we don't always use our mobile phonesPast - We didn't always use our mobile phonesFututre - We won't always use our mobile phones