The passive form of modals and similar expressions

The passive form of modals and similar expressions

The Passive Form : modal -+ be + past participle
a)    Tom will be invited to the picnic.
b)    The window can’t be opened.
c)    Children should be taught to respect their elders.
d)    May I be excused from class ?
e)    This book had better be returned to the library before Friday.
f)    This letter ought to be sent before June 1st.
g)    Deny has to be told about our change in plans.
h)    Fred is supposed to be told about the meeting.

The Past Passive Form : modal + have been + past participle
i)    the letter should have been sent last week.
j)    This house must have been built over 200 years ago.
k)    Jack ought to have been invited to the party.

Example :
1)    James should be told the news an soon as possible.
2)    Someone should tell James the news immediately.
3)    James should have been told the news a long time ago.
4)    Meat must be kept in a refrigerator or it will spoil.
5)    You must be kept meat in a refrigerator or it will spoil.
6)    We tried, but the window couldn’t have been opened. It was painted shut.
7)    I tried, but I couldn’t have been opened the window.
8)    Good news! I may have been offered a job soon. I had an interview at an engineering firm yesterday.

The passive form of modals and similar expressions

The Passive Form : modal -+ be + past participle
a)    Tom will be invited to the picnic.
b)    The window can’t be opened.
c)    Children should be taught to respect their elders.
d)    May I be excused from class ?
e)    This book had better be returned to the library before Friday.
f)    This letter ought to be sent before June 1st.
g)    Deny has to be told about our change in plans.
h)    Fred is supposed to be told about the meeting.

The Past Passive Form : modal + have been + past participle
i)    the letter should have been sent last week.
j)    This house must have been built over 200 years ago.
k)    Jack ought to have been invited to the party.

Example :
1)    James should be told the news an soon as possible.
2)    Someone should tell James the news immediately.
3)    James should have been told the news a long time ago.
4)    Meat must be kept in a refrigerator or it will spoil.
5)    You must be kept meat in a refrigerator or it will spoil.
6)    We tried, but the window couldn’t have been opened. It was painted shut.
7)    I tried, but I couldn’t have been opened the window.
8)    Good news! I may have been offered a job soon. I had an interview at an engineering firm yesterday.