Unless means the same as if ...not,like if ,it is followed by a present tense ,a past tense or a past perfect (never by ‘would ‘)it is used instead of it + not in conditional sentences of all types : Type 1 unless + present : you will be sick unless you stop eating =if you...
条件句类型一(Type 1 Conditional Sentences)表示可能实现的条件和其结果。例句:If it rains, we will stay at hom
前者是真实句 从句是真实条件句 主将从现 后者 是虚拟语气 从句是虚拟条件句 表示与将来情况可能相反 主句用过去将来时
TypeI:whenever-typerealconditionalTypeII:probablerealconditionalTypeIII:improbableunrealconditionalTypeIV:imaginaryunrealconditional 34.2TypeI:whenever-typerealconditional Use:todenoteuniversaltruthsorgeneralvalidity todenotepresenthabitualactions todenotepasthabitualactions If=when/whenever/everytime IfclauseSimple...
(If)simple past+(Main)simple past 34.2 第二种种类型条件句(Type II) Type II 是真实条件句的主体,最普通,最常用。这种句式又可分为“基本形式”(Basic Form),“变体形式”(Variant Form)和“替换形式”(Alternative Form)。分述如下: 1)第二种类型条件句的基本形式: 例如: If we catch the 10 o’cl...
type 1 type 2 type 3) type ) 只可以用在一些不变既事实上 例如: if i drop the glass it breaks. (如果我掉下这水杯 它就会破) type 1 是用在一些不确定的事情上 但很有可能会发生. unless 解 除非 unless 解除非 除非你交功课 否则我不会改 I mark your homework if you hand it ...
ConditionalSentenceType3 I(write)youapostcardifI(have)youraddress. IfI(not/break)myleg,I(takepart)inthecontest. Ifit(not/start)torain,we(walk)tothemuseum. We(swim)intheseaifthere(not/be)somanysharksthere. Ifshe(take)thebus,she(not/arrive)ontime. ...
I could buy the house.（但事实上，现在就没有足够的钱） 既然知道这两种用法后，因为你的句子是”If I see(或saw)”，这不可能你不知道，因为你见到与否，你必知道，所以就不用Subjunctive Present，而要用Subjunctive Past. type 1 Conditional：其形式是If+ Present + Future，用来表示：一些...
TypeII:probablerealconditional TypeIII:improbableunrealconditional TypeIV:imaginaryunrealconditional 34.2TypeI:whenever-typereal conditional Use:todenoteuniversaltruthsorgeneralvalidity todenotepresenthabitualactions todenotepasthabitualactions If=when/whenever/everytime ...
First (Type 1) conditional Second (Type 2) conditional Third (Type 3) But not the subjunctive tense..., only has subjunctive mood. Zero conditional (when or if ) When( or if) it rains, we stay indoors. When you heat ice, it melts. Not about the past, present or future. ONLY for...