1. ‘Too’ and ‘enough’
The classrooms are too cold in winter.
The classrooms aren’t warm enough in winter.
There are too many American films on TV.
There aren’t enough educational programs on TV.

2. ‘Too’ and ‘enough’ + infinitive
I feel too tired to go out this evening.
The water was much too dirty to swim in.
The office is too busy for me to take any time off.
He’s not nearly old enough to get married.
The ice isn’t thick enough to walk on.
There isn’t enough food for everyone to eat.

3. ‘So’ and ‘such’
The hotel was so comfortable that we stayed another week.
It was such a bad film that we left half way through.
He has so many children that he can’t remember all their names.

Examples:

1. Fill in the blanks with a word or phrase chosen from the following list:
(So/such/enough to/too/too much/ so much)
a) The bus had ……. a noisy engine that he couldn’t hear her speak.
b) There are not …….. books in the school library.
c) His house is …….. cold that I have to wear my jacket inside it.
d) She doesn’t have …………. pay for the cloth she ordered.
e) The car is …………………. expensive that they cannot afford to buy it.

Answers:
(a) The bus had such a noisy engine that he couldn’t hear her speak.
(b) There are not enough books in the school library.
(c) His house is so cold that I have to wear my jacket inside it.
(d) She doesn’t have enough to pay for the cloth she ordered.
(e) The car is so expensive that they cannot afford to buy it.

2. Change the following passive sentences into active as shown in the example:
Example: The village has been developed as a tourist spot.
They have developed the village as a tourist spot.

(a) A star hotel has been built.
(b) Don’t send your son to school. He is very young.
(c) The ceiling was very high. My mother could not touch it.
(d) You’d better not sit on the ground. It’s damp.
(e) We arrived late. We could not attend the meeting.

Answers:

(a) They have built a star hotel.
(b) Your son is too young to go to school. Your son is not old enough to go to school.
(c) The ceiling was too high for my mother to touch it. The ceiling was not low enough for my mother to touch it.
(d) The ground is too damp to sit on. The ground is not dry enough to sit on.
(e) We arrived too late to attend the meeting. We did not arrive early enough to attend the meeting.

Exercise:

1. Join the following sentences using either too or not ……….. enough:
(a) We arrived late. We couldn’t get any dinner.
(b) Don’t eat that bread. It’s stale.
(c) You’d better not sit on the ground. It’s damp.
(d) He spoke very fast. I couldn’t understand him.
(e) You can’t drink wine every day. It’s expensive.

2. Fill in the blanks with a word or phrase, choosing from the following list
so/such/enough to / too/ too much/ so much
Example:
I have……….. money to buy a new house.
I have enough money to buy a new house.

(a) The bus had………… a noisy engine that he couldn’t hear her speak.
(b) There are not………..books in the school library.
(c) His house is ……….cold that I have to wear my jacket inside it.
(d) She doesn’t have ……… pay for the cloth she ordered.
(e) The car is…………Expensive that they cannot afford to buy it.

3. Make two sentences for each of the following using:
(i) too, and (ii) not……. enough. Use for only when it is necessary
Example:
You can’t drink fruit juice every day. It’s expensive.
The fruit juice is too expensive to drink every day.
The fruit juice is not cheap enough to drink every day.

(a) She spoke very fast. I could not understand her.
(b) Don’t send your son to school. He is very young.
(c) The ceiling was very high. My mother could not touch it.
(d) You’d better not sit on the ground. It’s damp.
(e) We arrived late. We could not attend the meeting.