2. When the sentences used to bring it to the next sentence. When a sentence to fill behind not used. For example, you used to sleep at this time, usedn't you?
2. When the question sentence is to be used in front of the sentence. When a sentence is rejected, do not back it used behind. Like you used to sleep at this time, usedn't you?
2. When asked about the sentence used, as a patient, refuse to fill in it and do not use it. For example, you use it to sleep. Is it you this time?<br>