Take care [not to] / [not] / [never] catch a cold before the test.
Take care not to catch a cold before the test.
It was kind (you / me / help / of / to) with my homework.
It was kind of you to help me with my homework.
It was nice [of you to] / [to you of] / [you to] help me on short notice.
It was nice of you to help me on short notice.
It was (rude / exclude / them / of / to) you like that.
It was rude of them to exclude you like that.
You [was] / [were] foolish __ think that you would defeat me!
You were foolish to think that you would defeat me!
It was hard ___ Kenma __ run around all day.
It was hard for Kenma to run around all day.
Is it important ___ us __ pick good topics for our research?
Is it important for us to pick good topics for our research?
It [was] / [were] selfish of him [to eat] / [to eaten] / [to eated] the last dumpling.
It was selfish of him to eat the last dumpling.
I'll borrow more reference books today so as [no] / [not] / [not to] waste time.
I'll borrow more reference books today so as not to waste time.
She [study] / [studied] hard in order not [fail] / [to fail] / [failing] the test.
She studied hard in order not to fail the test.
(to / I / decided / have / go / not) tomorrow.
I have decided not to go tomorrow.
(of / to / you / reserve / was / It /smart) a table for us.
It was smart of you to reserve a table for us.
I set four alarms (sleep in/ as / so / not to).
I set four alarms in order not to sleep in.
It was (nice / check / of / to / on / you) me.
It was nice of you to check on me.
