1.I found it a bit difficult to get into work this morning ->Getting 2.You still remember the filght of July 14,don't you ->You don't 3.Someone told me about the change of the plan ->I 4.He felt sick from eating too many cakes ->Because he 5.Someone knocked at the door in the middle of our lunch ->While we

`1` Getting into work this morning was a bit difficult for me .

`-` V_Ing + be + adj + for sb to do sth : Làm gì thì khó cho ai .

`2` You don't remember the filght of July `14` , do you`?`

`-` Câu chính ở phủ định hiện tại đơn .

`=>` Câu hỏi đuôi là khẳng định hiện tại đơn .

`3`  I was told about the change of the plan .

`-` Bị động quá khứ đơn : S(Bị động) + was/were + V3/V_ed + O ...
`4` Because he ate too many cakes , he felt sick .

`-` Because + S + V + O , S + V + O : Bởi vì ai đó làm gì , ai đó mới làm gì ...

`5` While we were having lunch , someone knocked at the door .

`-` While + S + was/were + V_Ing + O , S + V(quá khứ) + O ... : Khi ai đó đang làm gì , ai đó làm gì ...