past tense

基本解釋

They are simply testing whether you can use the past tense correctly!
他其實(shí)是在測(cè)試你是否會(huì)運(yùn)用過(guò)去式回答！
If you want to talk about work you did in the past, use the past tense, e.g.
如果你想談?wù)撃氵^(guò)去做什么工作，用過(guò)去時(shí)態(tài)。
edu.sina.com.cn
But as you can see, all these questions are asked in the past tense - because the actuality of these are low.
但就像你所看到的，這些問(wèn)句都是過(guò)去式，因?yàn)檫@些東西的現(xiàn)實(shí)度都很低。

So you would say in the past tense "I lay on the bed because I was tired."
Everything that we had thought that Milton was telling us in the lyric present -- telling us directly, now -- suddenly gets shoved back into the narrative past: "thus sang the uncouth swain." The past tense is important there.
我們想過(guò)的彌爾頓在這首抒情詩(shī)里,直接告訴我們的所有事，現(xiàn)在，都突然在過(guò)去的旁白中一涌而現(xiàn)了：,“吟唱著粗鄙的青年人“，這里的過(guò)去時(shí)態(tài)很重要。
耶魯公開(kāi)課 - 彌爾頓課程節(jié)選
So can be changed slightly, depending on tense, past, present or future as well as whether or not you want to ask a question.
因此這個(gè)句型要根據(jù)不同的時(shí)態(tài)，如過(guò)去時(shí)、現(xiàn)在時(shí)和將來(lái)時(shí)，作出一點(diǎn)調(diào)整；另外也會(huì)根據(jù)是否是問(wèn)句而略有不同。
There is 課堂 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

Note that these questions use a past tense voice, as if they have already occurred.
FORBES: How to Stop the Dreaded "Decision Drift"