What verb forms are these?

swimming, eating, playing, walking	Answer: gerunds	
What verb forms are these?

to love, to stay, to think	
Answer: 
(full) infinitives / infinitives with  to	
What kind of words are these?

bored, surprised, tiring, interesting 	Answer: participial (participle) adjectives	
What is special about these adjectives?
What do you call them?

enormous, exhausted, filthy, brilliant	Answer: They are absolute or non-gradable adjectives. They do not take the adverbs ‘very’ or ‘extremely’	
What verb forms are these?

forgotten, flown, eaten, swum, drunk	Answer: irregular past participles	
What do you call the underlined structure?

Have you seen the pen that I had a minute ago?	Answer: a defining relative clause	
What do you call the underlined structure?

Martin Jones, who you’ve already met, will be giving the presentation.	Answer: a non-defining relative clause	
What do you call the underlined structure?

She hasn’t arrived yet, has she?	Answer: a question tag	
What kind of verbs are these? What is special about them?

like,  know,  understand,   love,  be	Answer: state or stative verbs	
What kind of verbs are these? What is special about them?

happen, rise, arrive, fall	
Answer: intransitive verbs – they don’t take a direct object	
What do you call these words and phrases?

however, therefore,  on the other hand	Answer: linkers (adverbs)	
What do you call this class of words?

may, might, ought to, can	Answer: modal auxiliary verbs	
What kind of verbs are the underlined verbs?

She was reading
Do you like seafood?
Where have you been?	Answer: auxiliary verbs	
What do we call these two kinds of underlined clause?
If I see Michael, I’ll tell him to call you.
I called the office and I went shopping.	
Answer: the first (if clause) is a subordinate clause; the second one is an independent clause.	
What do you call this class of words and phrases?
suddenly, every week,  tomorrow, once every now and then	Answer: adverbials	
What do you call this kind of structure?
She told them she’d been at home all evening.	Answer: reported speech	
What do you call this kind of word?

for, since, during	Answer: prepositions of time