because it is (es) very necessary in
commerce (en el comercio).

15. If you study with attention you will soon (pronto) speak and write
Spanish very well.

16. John speaks French very badly but he is studying it (lo esta
estudiando) with much attention.

17. Do you understand this lesson?

18. Yes, I understand this lesson well; it is not very difficult.

19. No lesson is difficult if we study with care (con cuidado).

[Footnote 48: "Some" and "any," following a verb and referring to a
singular noun previously mentioned, are not to be translated.]

[Footnote 49: "Some" and "any" are generally not translated when they
are not used in a _partitive sense, i.e._, with an idea of a limited
quantity.]

LESSON VI.
(Leccion sexta.)

CARDINAL NUMBERS.

Uno,[50] una 1 Cuarenta 40
Dos 2 Cuarenta y uno _or_ Cuarentiuno 41
Tres 3 etc. etc.
Cuatro 4 Cincuenta 50
Cinco 5 Sesenta 60
Seis 6 Setenta 70
Siete 7 Ochenta 80
Ocho 8 Noventa 90
Nueve 9 Ciento[52] 100
Diez 10 Ciento y uno _or_ Cientiuno 101
Once 11 Ciento y dos _or_ Cientidos, 102
Doce 12 etc. etc.
Trece 13 Ciento diez 110
Catorce 14 Doscientos,-as 200
Quince 15 Trescientos,-as 300
Diez y seis _or_ Dieciseis 16 Cuatrocientos,-as 400
Diez y siete _or_ Diecisiete 17 Quinientos,-as 500
Diez y ocho _or_ Dieciocho 18 Seiscientos,-as 600
Diez y nueve _or_ Diecinueve 19 Setecientos,-as 700
Veinte 20 Ochocientos,-as 800
Veinte y uno _or_ Veintiuno[51] 21 Novecientos,-as 900
Veinte y dos _or_ Veintidos, 22 Mil 1,000
etc.