Besides, In addition, Other things

Need, Necessary, something is needed

to that extent, that much, so much

to be necessary, to be required, there is a need for...

for example, such as, for instance

To be able to, Can (potential), Able to do X

but…, and… (soft contrast), I know, but… (wanting agreement)

Bound to be, Expected to be, Should be (able)

whether something is true or not, if or not, whether or not

When/at the moment, Whenever, As soon as

must; have to (informal), it's necessary to do something; if you don't, there will be trouble, bad things happen if you don’t do something; you must do it

Hardly possible, Cannot be, Highly unlikely

There is only, There are only, Nothing but

not only… but also, not just… but also, in addition to ...; also ...

to be able to do, can do, have the ability to

informal question marker (masculine/slang), rough way to ask a question, tag question used by men

If, In case, Even if (with hypothetical condition)

to list multiple reasons or characteristics, to give multiple causes or factors, conveying a sense of a series of observations or conditions

Made of, Made from, Produced from

While doing ~, During, As