What the lecturer wrote and said was too difficult for me to understand.

The lecturer's book which I had not read was difficult to understand.

I found it very difficult to understand what the lecturer said in his book.

I would have understood what the lecturer was saying if I had read his book.

They made very many mistakes that they failed in the exam

They made too many mistakes for them to fail in the exam

They made so many mistakes that they failed in the exam

They made such many mistakes that they failed in the exam

She locked the door in order that she wouldn’t be disturbed

She locked the door to be not disturbed

She locked the door for her not to be disturbed

She locked the door so that not to not to be disturbed

Too many people came to the meeting

There were more people at the meeting than we had expected

We had expected more people to come to the meeting

There were not enough seats for all people as we had expected

Nancy used to walk farther

Nancy doesn’t like to walk so far

Nancy isn’t accustomed to walking very far

Nancy needed help to walk so far

I did forget your birthday

I am really sorry I forgot your birthday

I am not sorry at all because I remember your birthday

I never apologize for my forgetting birthday

The coffee was very strong, but it couldn’t keep us awake

We were kept awake because the coffee was strong

The coffee was not strong enough to keep us awake

The coffee was so hot that it didn’t keep us awake

The hostess tried hard to please her guests

Neither The guests nor the hostess had the foods and drinks they wanted

The guests refused the foods and drinks prepared by the hostess

The hostess was reluctant

she enjoys eating vegetables

She has fun of growing vegetables

She almost never eats vegetables

She sells vegetables for living

Ann hasn’t seen a horror films

Ann has enjoyed all horror films she has seen

Ann is tired of seeing all horror films

She is anxious not to miss the next horror film

I can’t help feeling worried about Lan

I feel worried about Lan, but I can’t do anything to help

I can’t do nothing to help Lan although I feel worried about her

I’m unable to worry about Lan

You’d better take a taxi in case it was raining

She advised us to take a taxi because it was raining outside

She gave us a lift because it was raining heavily

She didn’t lend us any raincoats but a taxi

I went to that school and my brother, too

I went to that school and so my brother did

I went to that school and so did my brother

I went to that school and so my brother did, too