My family started eating when it began to rain.

My family has started eating.

I last had my hair cut when he left me.

I haven't had my hair cut since he left me.

It isn’t necessary to play football with my best friends today.

You don’t need to play football with my best friends today.

Thanh spends 3 hours a day doing homework.

It takes Thanh 3 hours a day to do homework.

He finds it easy to wear clothes.

He has no trouble wearing clothes.

He found it difficult to pick up a bargain in supermarkets.

He had difficulty picking up a bargain in supermarkets.

I find it difficult to save money.

I get frustrated trying to save money.

I started working for the company two years ago.

I’ve been working for the company for two years.

It is very difficult to reduce the price more because it’s already on sale.

It is very difficult to reduce the price more because it’s on sale.

She prefers wearing new clothes to wearing second-hand ones.

She likes wearing new clothes more than wearing second-hand ones.

The bridge was so low that the lorry couldn’t go under it.

It was such a low bridge that the lorry couldn’t go under it.

That boy is so clever that he can make children’s toys.

That boy is too clever to be easily impressed.

That pupil is so lazy that my sister can’t teach him English.

So lazy is that pupil that my sister can’t teach him English.

It was such a good film that we decided to go and see it again.

The film was so good that we decided to go and see it again.

She started working as a secretary five years ago.

She has been working as a secretary for five years.

Let’s go to the seaside this summer.

I suggest we go to the seaside this summer.

This is the most delicious meal my family has ever had.

My family hasn’t had a more delicious meal than this.

I haven’t seen John for 10 days.

The last time I saw John was 10 days ago.

My brother hasn’t taken a bath for over two days.

The last time my brother took a bath was over two days ago.

He spent a lot of time doing this experiment.

It took him a lot of time to do this experiment.

Anna spent three days visiting Vietnam.

It took Anna three days to visit Vietnam.

You ought to eat less meat.

You’d better eat less meat.

Mary doesn’t need to finish the work by lunchtime.

It is unnecessary for Mary to finish the work by lunchtime