And you tack an s onto the end of it like so.

然后你像这样在它的末尾加上一个 s。

They can tack two years onto your bid, automatic.

他们会在你刑期上加判你2年。

Present tense is one form of the verb, then the past tense is the present with e-d tacked onto it, and then the future with will tacked onto the front.

现在时是动词的一种形式，过去时是现在加e-d， 然后是将来时加will。

This is going to keep the conversation going and you can just tack that question onto the end of almost any sentence just to keep that back and forth happening for a little longer, keep things going.

这可以让对话继续下去，你可以把这个问题放在几乎任何一句话的末尾，可以让来回的对话更长一些，继续进行下去。