i will use modal auxiliaries to convey various conditions

I will use modal auxiliaries

to convey various conditions.

I will use modal auxiliaries to convey various conditions.

A modal auxiliary is a verb.It is a verb used with

another verb.A modal auxiliary expresses

a mood or a tense.Tense is a form taken by a verb to indicate the time of the action. It can also indicate if the action is completed or continuing.


A modal auxiliary expressesa mood or a tense.

Tense is a form taken by a verb to indicate the time of the

action. It can also indicate if the action

is completed or continuing.


vocabulary check

Tense is a form taken by a verb to indicate the time of the

action. It can also indicate if the

action is completed or continuing.Indicate means to show.


Who can answer in a complete sentence?

I should answer in

a complete sentence.

I will answer in a complete sentence.

I can answer in a complete

sentence.

She used modal auxiliaries.


I can answer in a complete sentencewill answer should

answer in a complete sentence.

Answer complete sentence.

This is a run-on.

This is a fragment.


modal auxiliaries

ought shallwill

can must may

should would



Why is it important?


I can wait.

I will wait.

I should wait.How is the mood different?


Peewee canstay inside.Peewee willstay inside.

Peewee shouldstay inside.

Fine. I will play with

Teddy.


I will pay attention.I ought to pay attention.

I must pay attention.

Which is more convincing?


May I go?

Should I go?

Must I go?How is the mood different?


I will go.

I should go.

I must go.How is the mood different?


I can help.

I will help.

I must help.How is the mood different?


Most crystals form deep within the earth under very special conditions. Some, such as diamonds, ____ form when the mineral is squeezed under layers of rocks. The squeezing forces the atoms to arrange themselves until they are in the smallest shape possible. Others, such as sapphires, _____ form when a mineral gets so hot inside the earth that it melts. As it slowly cools, the atoms fall into place to make a regular crystal pattern. And still other gems, such as opals, _____ form when minerals dissolve in water. As the water evaporates very slowly, the mineral left behind forms a crystal.

What modal auxiliaries would you use?


If a mineral is allowed to grow without interference from other minerals it __1__ form crystals. Minerals "grow," or crystallize, from many types of solutions. Crystals form in more than one way. They __2___ crystallize from magmas when lava cools. While growing, minerals __3__ develop a distinct crystal form with smooth, flat planes called crystal faces. The geometric pattern of the crystal faces reflects the internal atomic arrangement of the crystal structure. This is one of the most important things about a mineral.



Gems as a whole are valuable for two reasons: they are beautiful, and they are rare. The value of a gem is determined by the gem’s hardness and a system called the “four Cs”: cut, carat weight, color, and clarity.

Cut refers to how well the gem is cut and polished, or how beautiful the natural gem is. A poorly cut gem _____ look dull or uneven. Carat weight is the size of the stone.



Scientists __1__ grow gems in the lab that are identical to the finest natural gems but cost a thousand times less . In the future, created gems __2__ help fill our desire for gemstones’ beauty while preserving Earth and its people.




Why is it important?


A modal auxiliary is a verb.It is a verb used with

another verb.A modal auxiliary expresses

a mood or a tense.Tense is a form taken by a verb to indicate the time of the action. It can also indicate if the action is completed or continuing.


modal auxiliaries

ought shallwill

can must may

should would