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Types of conditional sentences   n  conditional type 0 if or when + simple present + simple present   n  conditional type 1 if + simple presnt + simple future   n  conditional type 2 if + simple past + would or wouldn't have / could or couldn't + verb (inf) n  conditional type 3  if + past perfect + would have or wouldn't have/ could have or couldn't have+ past participle         l  Example s:   n  conditional Type-0   we use conditioner 0 to say that something is always true when or if something happens. We also use it to talk about General statements and scientific facts.  1 )     when he sees,he laughs .   2 )   when you open a school,you close a prison  . 3 )     if you heat ice it turns into water  . 4 )     if you put butter on fire it melts  . 5 )  when I'm free,I go to cybercafe  .   n  conditional type 1   It is predictive. We use it to say what may or may not happen in the future if a possible condition is met. The meaning is the future .    1 )  if you ar

        l  Forms: Example: to work Affirmative I     am  working You   are   working   He  is      working She  is      working It   is       working   We   are   working You   are   working They  are   working     Negative Full forms Short forms I   am not    working You  are not   working   He  is not   working She   is not   working It    is not   working   We  are not   working You  are not   working They  are not   working   I’m          working You  aren’t   working   He  isn’t     working She  isn’t     working It   isn’t     working   We  aren’t    working You   aren’t   working They  aren’t   working   interrogative   Am   I       working? Are   You     working?              He Is  → She →   working?             It               We Are → You →   working?             They     n  If the verbs en d s in « e »  , we omit the « e »  after adding « ing » .         e.g: To make   →   making   n  With verbs ending in consonant we double the last letter.       e.g: To get   →  getting

l  Form : Example: to work     Affirmative Negative Interrogative   I    →  work You   →    work   He   \ She → works It   /   We   \   You → work They / Full Forms Short Forms   Do    I    work? Do    You  work?               He Does  She  work?              It            We Do    You  work          They I   → do not work You   →do not work   He    \ She → does not work It    /   We    \ You   →do not work They  /     I    → don’t work You → don’t work   He   \ She → doesn’t work It   /   We    \ You   → don’t work They  /     n  In the negative and interrogative forms the verb itself does not change, but in the A ffirmative  with he/ she/ It  some verbs take either   «S» , « es »  or « ies » .   n  We add   « es »  to the end of verbs ending in: « SS »  e.g: To miss   →   misses « Ch »  e.g: To watch     →   watches « Sh »  e.g: To wish   →   wishes « O »  e.g: To go     →   Goes « X »  e.g: to fix     →    fixes   n  Verbs ending in « y »  : If the verb ends   in a « y »   preceded