Vocabulary, word

Vocabulary means “a set of words.” Therefore, we should say Peter has a large vocabulary or Peter knows many words, and NOT Peter has many vocabularies.

Alphabet, letter

An alphabet is a set of letters. In the English alphabet, there are 26 letters (NOT alphabets).

Altogether, all together

Altogether = totally 例句：There are altogether 15 students in our class.

All together = in a group 例句：They are all together in the sitting room.

Arrive, reach

Arrive 例句：He arrived in Vancouver after a 12-hour flight. He arrived at the airport two hours earlier.

Reach 例句：He reached Vancouver after a 12-hour flight.

Lie, lay

Lie/lying/lay/lain （躺下；橫放）

例句：You look tired. Lie down and rest.

例句：The old painting has been lying there for years.

Lie/lying/lied/lied = not tell the truth

例句：He lied to his parents.

Lay/laying/laid/laid（放置；生蛋）

例句：Lay ( = put down) the book on the table.

例句：Hens lay eggs. Our hen laid a big egg yesterday.

Exercise

Fill in the spaces with suitable words. In some items, you may have to change the words into the correct form or tense. （在空位內填上適當的字，有些地方可能要用上正確的格式或時式）

1. altogether/all together

(a) Pile up the books and then tie them ____________.

(b) How many books are there ____________.

2. lay/lie

(a) I ________ the book on the table. Now it is ________ on the table.

(b) The hen has ________ an egg.

(c) Yesterday he ________in bed until eleven o'clock in the morning.

(d) __________ down and rest.

(e) He has _________ to you.

ANSWERS

1. (a) all together

(b) altogether

2. (a) lay, lying

(b) laid

(c) lay

(d) Lie

(e) lied