پرسش‌ها با تگ (گرامر انگلیسی)

……… their differences, the three models resemble ……… in a crucial respect. 

-……… their differences, the three models resemble ……… in a crucial respect. 

کجا If و کجا Whether به کار ببریم؟

کجا tell و کجا say به کار ببریم؟

تفاوت معنایی و کاربرد هر کدوم چیه؟ در چه شرایطی از apply for   و  در چه شرایطی از apply to  استفاده میشه؟

I think not یا I don't think so? یا هر دو؟

Medical research at the cellular level, ……… research on the immune system, has been  made possible through twentieth-century advances in techniques of genetic research.   

در صفات برابری as...as  به غیر از صفت  قید  هم میتونه  بیاد؟ حالت خاصی داره؟ یا در شرایط خاصی میتونه بیاد؟

In so-called nonfiction novels, a documentary style is combined with fictional  techniques ……… actual events and people.  

Although Margaret Mead had several assistants during her long investigations of  Samoa, the bulk of the research was done by ……… alone.