WORD CLASSES

Words which belong to the same class function in much the same way, so, identifying the word class is really useful in English: i.e,  is the word "fly" and adjective, a noun, a verb, an adverb? can it belong to more than one word class? In English yes, it can. Look at the definition of "fly" from word reference and notice how a different word class makes such a big difference! And when you finish, check if you remember the word classes in English with this exercise.

For the verb: "to fly"

Simple Past:	flew
Past Participle:	flown

wordReference Random House Learner's Dictionary of American English © 2018

fly¹ /flaɪ/  v.,  flew /flu/  or, for 11., flied, flown/floʊn/,  fly•ing, n., pl.  flies. v.

1. to move through the air using wings:[no object]Outside the birds were flying.

fly² /flaɪ/  n.[countable], pl.  flies. 

1. Insectsa two-winged insect, such as the common housefly.a fishing lure dressed to resemble an insect or small fish.

WORD ORDER IN ENGLISH

Sentence structure. Words, words, words. What's the correct order?

Let's start with affirmative sentences

Now, negative sentences

Study this chart from ego:

interrogative	auxiliary verb	subject	other verb(s)	indirect object	direct object	place	time
What	would	you	like to tell	me
	Did	you	have		a party	in your flat	yesterday?
When	were	you				here?

and finally, interrogative sentences

For more exercises....