Shall和Should区别？

latex代码如下：

\documentclass[]{article}
\usepackage[UTF8]{ctex}
\usepackage{soul}
\usepackage{xcolor}
\usepackage{cjkhl}
% 定义2种颜色
\definecolor{Seashell}{RGB}{255, 245, 238} %背景色浅一点的
\definecolor{Firebrick4}{RGB}{255, 0, 0}%文字颜色红一点的
\definecolor{lightblue}{rgb}{.8,.8,1}
% 自定义指令
\newcommand{\code}[1]{
	\begingroup
	\sethlcolor{Seashell}%背景色
	\textcolor{Firebrick4}{\hl{#1}}%textcolor里面对应文字颜色
	\endgroup
}

%opening
\title{}
\author{}

\begin{document}

\maketitle

\begin{abstract}
you is a man
\end{abstract}

\section{}
\begin{tabular}{|l|l|}
	\hline
\multicolumn{2}{|c|}{shall}\\
   \hline
Predicting the future&They shall get married\\
   \hline
Showing determination&The student shall be there in time\\
\hline
Making suggestions&Shall we go to Becan Hills?\\
\hline
Making promises or offers&I shall be there for you\\
\hline
\end{tabular}



\section{}
\begin{tabular}{|p{5cm}|p{6cm}|}
	\hline
	\multicolumn{2}{|c|}{~~~Should}\\
	\hline
	Giving advice,suggestion or recommendation&You should drink some soup to get better\\
	\hline
	Predicting future and talking about expectations&The road should be covered by snow as it was snowing all night\\
	\hline
	Expressing an order or instruction&You should mix the eggs after whipping the cream\\
	\hline
	Advising not to do something&you shouldn't smoke,it is harmful\\
	\hline
\end{tabular}
\\
\\
\textbf{Shall}\\
1. 当“will”使用: 在过去的英式英文中，shall可以拿來表示未来式，第一人称使用shall,第二、三人称则使用will,但在现代英语中，则都使用will。\\
2. 当命令式,用于陈述句中的第二、第三人称,表示说话人的意图、允诺、警告、命令、决心等)必须,应,可\\
E.g., You shall drop that gun.
你应要把枪放下。\\
3. 以第一人称征求意見,(用在问句中表示征求对方意见,主要用于第一、第三人称)...好吗?要不要...\\
E.g., Shall I make you some coffee?
要我帮你泡咖啡吗?\\
\textbf{Should}\\
1.当“应该”使用,表示义务、责任\\
E.g., I think you should go see a doctor. You look really sick.
我觉得你应该去看医生，你看起來病得很重。\\
2. 推测语气\\
E.g., She should arrive soon.
她应该快要到了。\\
3. 当“万一”使用,表示语气较强的\cjkhl{lightblue}{假设}\code{hypothetical situation}万一,竟然\\
If the car should break down on the way, you would have to walk back.\\
E.g., Should you require help, just ask.
万一你需要帮忙的話，尽管说。

Quiz:\\
1.Which form is commonly used with other verbs to express intention?\\
2.True or false? The US government recommends the use of the word MUST in place of SHALL to refer to a legal obligation.\\
3.Fill in the blank: You really \underline{~~~~} avoid going near that
hornet’s nest.\\
4.When used in a question, which form more often indicates that the asker is hesitant?\\
5.Which sentence uses SHOULD in a hypothetical situation?\\
A.If my car battery should die unexpectedly, you will have to pick me up.\\
B.Should we tell him which box we think he should open?
C.We should study hard all week so that we will ace our final.
6.Fill in the blank: She asked me if I will go to the party tonight and I said, "Yes, I \underline{~~~~}."\\
answer:1.shell 2.True 3.should 4.should 5.A 6.shall
\end{document}