right forms of verbs

    31

    কোন বাক্য since থাকলে এবং since এর প্রথম অংশ present tense হলে অপর অংশ past simple tense হয়।

    Example:
    1. Three year have passed since he (leave) bangladesh
    Ans: Three year have passed since he left  Bangladesh
    2. It is many days since he (come) to bangladesh
    Ans: It is many days since he came in Bangladesh
    32

    কোন sentence এ it was long since থাকলে অপর অংশে had + verb pp বসে

    Example:
    1. It was long since we (meet) him        
    Ans: It was long since we had met him
    33

    Had better, would better, had rather, would rather, let এর পর দ্বিতীয় verb থাকলে তার পূর্বে to বসে না

    Example:
     
    1. We had better (to leave) the place          
    Ans: We had better leave the place
    They had rather (to stay) tonight         
    Ans: They had rather stay tonight  
    Let him (to do) the work                        
    Ans: Let him do the work
    34

    It is time, it is high time, fancy (কল্পনা করা) কোন বাক্যে থাকলে অপর অংশের verb এর past form হয়

    Example:
    1. It is time they (change) their decision            
    Ans: It is time they changed their decision 
    2. It is high time we (earn) our livelihood         
    Ans: It is high time we earned our livelihood 
    3. I fancy i (turn) a triffle  pale            
    Ans: I fancy i  turned a triffle  pale
    35

    কোন বাক্য i wish থাকলে এবং অপর অংশে be verb থাকলে তা were হয়

    Example:
    1. I wish  i (am) a bird                  
    Ans: I wish i  were a bird
    2. I wish i (am) a king
    Ans: I wish i were a king
    36

    কোন বাক্য can not help, could not help এরপর verb থাকলে তার সাথে ing যুক্ত হয়

    Example:
    1. I can not help (go) there                   
    Ans: I can not help going there
    2. I could not help (buy) this book.
    Ans: I could not help buying this book.
    37

    একক, দূরত্ব singular হিসেবে ব্যবহৃত হয়

    Example:
     
    1. Three hundred kilometres (be) a long distance
    Ans:Three hundred kilometres is a long distance
    38

    While এরপরে সরাসরি কোন verb থাকলে ঐ verb এর সঙ্গে ing যুক্ত হয় কিন্তু while এর পর যদি subject থাকে তাহলে continuous tense হয়। while এর পূর্বের অংশটা present tense হলে পরের অংশটি present continuous কিন্তু while এর পূর্বের অংশটা past tense হলে পরের অংশটি past continuous tense এর হয়

    Example:
    1. I saw him while (go) to school                    
    Ans: I saw him while going to school
    2. We met him while we (go) to college  
    Ans: We met him while we were going  to college
    3. Don’t disturb your father while he (sleep)  
    Ans: Don’t disturb your father while he is sleeping
    39

    কোন বাক্য as if, as though থাকলে অপর অংশে past simple tense এর হয়।

    Example:
    He behaves as if he (know) everything          
    Ans: He behaves as if he knew everything 
    কিন্তু as if, as though এর অংশটি past tense এর হলে অপর অংশে had + verb past participle হবে
    He behaved as if he (know) everything    
    Ans: He behaved as if he had known everything
    40

    Nothing but, would rather এরপর verb এর base form বসে।

    Example:

    1. He did nothing but (sang) the whole day       

    Ans: He did nothing but sing the whole day 

    2. He would rather (died) than beg                      

    Ans: He would rather die than beg