I think you .............................. see a doctor. It's just my advice.
SHOULD / OUGHT TO / HAD BETTER
I want ....................... (leave) now!
TO LEAVE
I would prefer ........................ (stay) at home today.
STAY
I took a taxi ................... arrive earlier.
TO / SO AS TO / IN ORDER TO
GIVE UP
*Stop doing something
*Surrender
1. It wasn't necessary to go to class yesterday because it was a holiday.
2. We ............................ go to class yesterday because it was a holiday.
DIDN'T HAVE TO / * DIDN'T NEED TO
I hate ......................... (iron)! it's really boring.
IRONING
I would rather ...................... (forget) about it!
FORGET
CORRECT OR INCORRECT?
*He looked away not to speak to me!INCORRECT: IN ORDER NOT TO / SO AS NOT TO
LOOK OUT!
*Be careful!
MIGHT / MAY /*COULD
She would rather stay at home .................. go out.
THAN
I took some notes ............. as not to forget anything.
SO
FIND OUT
*Discover
You have been working all day long! you ................. be tired.
MUST
She is really looking forward ................... (go) on holiday!
TO GOING
I would prefer to go ..................... stay at home.
RATHER THAN
IN ORDER NOT TO / SO AS NOT TO
LOOK INTO
*Investigate
I went to the meeting but I ........................... (not/go) because it had been cancelled.
NEEDN'T HAVE GONE
I regret .......................... (have) said that! it was a mistake.
HAVING
I would rather she ......................... (not/be) here now.
WEREN'T / *WASN'T
SO THAT
WORK OUT / SORT OUT
*Find a solution, solve, make preparations