“talktosb”似乎是一个拼写错误或拼写不正确的单词。如果你指的是“talk to sb”或类似的表达，那么造句如下：

1. I need to talk to you about the project's progress.

2. She is talking to her friend on the phone.

3. They are talking to each other about the upcoming event.

如果你有其他具体的词或短语需要造句，请告诉我。